c3c/releasenotes.md

C3C Release Notes

0.7.10 Change list

Changes / improvements

• Method resolution and $define now works together well unless definitions are out of order for real.
• Improve error message when using functions as values #2856
• Improve support for Android with Termux.
• Integrated download of the MSVC SDK when compiling for Windows.
• For c3c init with library templates, provide example exported functions. #2898

Stdlib changes

• Summarize sort macros as generic function wrappers to reduce the amount of generated code. #2831
• Remove dependency on temp allocator in String.join.
• Remove dependency on temp allocator in File.open.
• Added PEM encoding/decoding. #2858
• Add Murmur3 hash.
• Add optional line-length limitations to io::readline and io::readline_to_stream. #2879
• Add Xorshiro128++.

Fixes

• Add error message if directory with output file name already exists
• Regression where nested lambdas would be evaluated twice.
• Compiler crash when using arrays of vectors in lists. #2889
• Fix list[0].i = 5 when list[0] returns a pointer. #2888
• Shadowing not detected for generic declarations #2876
• Const inline enums would not always implicitly get converted to the underlying type.
• Update to dstring.append_string to take any type converting to String.
• Flag --cpu-flags doesn't work if the first item is an exclusion. #2905

0.7.9 Change list

Changes / improvements

• Add --custom-libc option for custom libc implementations.
• Support for NetBSD.
• Testing for the presence of methods at the top level is prohibited previous to method registration.
• $$mask_to_int and $$int_to_mask to create bool masks from integers and back.
• Better error messages when slicing a pointer to a slice or vector. #2681
• Generics using ad-hoc <...> rather than module based.
• Reduced memory usage for backtraces on Linux.
• On win32 utf-8 console output is now enabled by default in compiled programs
• Add $$VERSION and $$PRERELEASE compile time constants.
• Require () around assignment in conditionals. #2716
• $$unaligned_load and $$unaligned_store now also takes a "is_volatile" parameter.
• Module-based generics using {} is deprecated.
• Create optional with ~ instead of ?. return io::EOF?; becomes return io::EOF~.
• Deprecated use of ? to create optional.
• Make foo.$abc implicitly mean foo.eval("$abc").
• Deprecating multi-level array length inference. int[*][*] is deprecated and will be removed 0.8.0.
• Combining argument-less initialization with argument init for bitstructs is now allowed e.g. { .b, .c = 123 }.

Fixes

• Remove use of LLVMGetGlobalContext for single module compilation.
• Fixed bug where constants would get modified when slicing them. #2660
• Regression with npot vector in struct triggering an assert #2219.
• Casting bitstruct to wider base type should be single step #2616.
• Optional does not play well with bit ops #2618.
• Bytebuffer.grow was broken #2622.
• Hex escapes like "\x80" would be incorrectly lowered. #2623
• Ignore const null check on deref in $defined and $sizeof #2633.
• Subscripting of constant slices would sometimes be considered non-constant #2635.
• Compiler crash when concatenating structs and arrays to an untyped list.
• Strings assigned to longer arrays would crash codegen, e.g. char[10] x = "abcd.
• Typedefs and structs with inline types supporting lengthof would not work with lengthof #2641.
• $defined(foo()) now correctly errors if foo() would require a path.
• @if($defined((char*){}.foo())) does not error if foo is missing.
• Hard limit of 127 characters for identifiers.
• $$LINE would sometimes yield the incorrect format.
• Fix error message when a method has the wrong type for the first argument.
• Unit tests allocating too much tmem without @pool would cause errors in unrelated tests. #2654
• Incorrect rounding for decimals in formatter in some cases. #2657
• Incorrectly using LLVMStructType when emitting dynamic functions on MachO #2666
• FixedThreadPool join did not work correctly.
• Fix bug when creating bool vectors in certain cases.
• Compiler assert when passing returning CT failure immediately rethrown #2689.
• Converting between simd/non-simd bool vector would hit a compiler assert. #2691
• i<n> suffixes were not caught when n < 8, causing an assert.
• Parse error in $defined was not handled correctly, leading to an assertion.
• Assert when struct/array size would exceed 4 GB.
• Assert when encountering a malformed module alias.
• Assert when encountering a test function with raw vaarg parameters.
• foo.x was not always handled correctly when foo was optional.
• x'1234' +++ (ichar[1]) { 'A' } would fail due to missing const folding.
• Miscompilation: global struct with vector could generate an incorrect initializer.
• String.tokenize_all would yield one too many empty tokens at the end.
• String.replace no longer depends on String.split.
• Fix the case where \u<unicode char> could crash the compiler on some platforms.
• Designated initialization with ranges would not error on overflow by 1.
• io::read_fully now handles unbounded streams properly.
• Crash when doing a type property lookup for const inline enums in some cases #2717.
• Incorrect alignment on typedef and local variable debug info.
• Assert on optional-returning-function in a comma expression. #2722
• Creating recursive debug info for functions could cause assertions.
• bitorder::read and bitorder::write may fail because of unaligned access #2734.
• Fix LinkedList.to_format to properly iterate linked list for printing.
• Hashing a vector would not use the entire vector in some cases.
• Fix to temp_directory on Windows #2762.
• Too little memory reserved when printing backtrace on Darwin #2698.
• In some cases, a type would not get implicitly converted to a typeid #2764.
• Assert on defining a const fault enum with enumerator and fault of the same name. #2732
• Passing a non-conststring to module attributes like @cname would trigger an assert rather than printing an error. #2771
• Passing different types to arg 1 and 2 for $$matrix_transpose would trigger an assert. #2771
• Zero init of optional compile time variable would crash the compiler. #2771
• Using multiple declaration for generics in generic module would fail. #2771
• Defining an extern const without a type would crash rather than print an error. #2771
• Typedef followed by brace would trigger an assert. #2771
• Union with too big member would trigger an assert. #2771
• Bitstruct with unevaluated user-defined type would cause a crash. #2771
• Using named parameters with builtins would cause a crash. #2771
• In some cases, using missing identifiers with builtins would cause a crash. #2771
• Using $defined with function call missing arguments would cause a crash. #2771
• Adding @nostrip to a test function would crash. #2771
• Mixing struct splat, non-named params and named params would crash rather than to print an error. #2771
• Creating a char vector from bytes would crash. #2771
• Using $$wstr16 with an illegal argument would crash instead of printing an error. #2771
• Empty struct after @if processing was not detected, causing a crash instead of an error. #2771
• Comparing an uint and int[<4>] was incorrectly assumed to be uint compared to int, causing a crash instead of an error. #2771
• When an int[*][6] was given too few values, the compiler would assert instead of giving an error. #2771
• Inferring length from a slice was accidentally not an error.
• Eager evaluation of macro arguments would break inferred arrays on some platforms. #2771.
• Vectors not converted to arrays when passed as raw vaargs. #2776
• Second value in switch range not checked properly, causing an error on non-const values. #2777
• Broken cast from fault to array pointer #2778.
• $typeof untyped list crashes when trying to create typeid from it. #2779
• Recursive constant definition not properly detected, leading to assert #2780
• Failed to reject void compile time variables, leading to crash. #2781
• Inferring the size of a slice with an inner inferred array using {} isn't detected as error #2783
• Bug in sysv abi when passing union in with floats #2784
• When a global const has invalid attributes, handling is incorrect, leading to a crash #2785.
• int? ? was not correctly handled. #2786
• Casting const bytes to vector with different element size was broken #2787
• Unable to access fields of a const inline enum with an aggregate underlying type. #2802
• Using an optional type as generic parameter was not properly caught #2799
• Instantiating an alias of a user-defined type was not properly caught #2798
• Too deeply nested scopes was a fatal crash and not a regular semantic error. #2796
• Recursive definition of tag not detected with nested tag/tagof #2790
• Attrdef eval environment lacked rtype, causing error on invalid args #2797
• $typeof() returns typeinfo, causing errors #2795.
• Empty ichar slice + byte concatenation hit an assert. #2789
• Remove dependency on test tmp library for stdlib compiler tests. #2800
• Comparing a flexible array member to another type would hit an assert. #2830
• Underlying slice type not checked correctly in $defined #2829
• Checking for exhaustive cases is done even in if-chain switch if all is enum #2828
• Constant shifting incorrectly doesn't flatten the underlying vector base #2825
• String not set as attributes resolved breaking has_tagof #2824
• Self referencing forward resolved const enum fails to be properly detected #2823
• Incorrectly try compile time int check on vector #2815
• Generating typeid from function gives incorrect typeid #2816
• Recursive definitions not discovered when initializer is access on other const #2817
• Slice overrun detected late hit codegen assert #2822
• Compile time dereference of a constant slice was too generous #2821
• Constant deref of subscript had inserted checks #2818
• Raw vaargs with optional return not lowered correctly #2819
• Early exit in macro call crashes codegen #2820
• Empty enums would return the values as zero sized arrays #2838
• Store of zero in lowering did not properly handle optionals in some cases #2837
• Bitstruct accidentally allowed other arrays than char arrays #2836
• Bitstruct as substruct fails to properly work with designated initializers. #2827
• Bug when initializing an inferred array with deep structure using designated init #2826
• Packed .c3l files without compressions weren't unpacked correctly.
• Lowering of optional in && was incorrect #2843
• Resolving &X.b when X is a const incorrectly checked for runtime constness #2842
• Alignment param on $$unaligned_* not checked for zero #2844
• Fix alignment for uint128 to 16 with WASM targets.
• Incorrect assert in struct alignment checking #2841
• Packed structs sometimes not lowered as such.
• Crash when creating $Type* where $Type is an optional type #2848
• Crashes when using io::EOF~! in various unhandled places. #2848
• Crash when trying to create a const zero untyped list #2847
• Incorrect handling when reporting fn with optional compile time type #2862
• Optional in initializer cause a crash #2864
• Negating a global address with offset was a counted as a global runtime constant #2865
• Converting static "make_slice" to array failed to be handled #2866
• Narrowing a not expression was incorrectly handled #2867
• Vector shift by optional scalar failed #2868
• Initializer did not correctly handle second rethrow #2870
• Crash encountering panic in if-else style switch #2871
• Crash in slice expression when it contains a rethrow #2872
• Multiple issues when rethrowing inside of expressions #2873

Stdlib changes

• Add ThreadPool join function to wait for all threads to finish in the pool without destroying the threads.
• Add @in compile-time macro to check for a value in a variable list of constants. #2662
• Return of Thread/Mutex/CondVar destroy() is now "@maydiscard" and should be ignored. It will return void in 0.8.0.
• Return of Mutex unlock() and lock() is now "@maydiscard" and should be ignored. They will return void in 0.8.0.
• Return of ConditionVariable signal() broadcast() and wait() are now "@maydiscard". They will return void in 0.8.0.
• Return of Thread detatch() is now "@maydiscard". It will return void in 0.8.0.
• Buffered/UnbufferedChannel, and both ThreadPools have @maydiscard on a set of functions. They will return void in 0.8.0.
• Pthread bindings correctly return Errno instead of CInt.
• Return of Thread join() is now "@maydiscard".
• Add poly1305 one-time Message Authentication Code and associated tests. #2639
• Add ripemd hashing and associated tests. #2663
• Add chacha20 stream cipher and associated tests. #2643
• Add BLAKE2 (optionally keyed) cryptographic hashing with associated tests. #2648
• Add BLAKE3 XOF and associated tests. #2667
• Add Elf32_Shdr and Elf64_Shdr to std::os::linux.
• Add any.to and any.as.
• Deprecated DString.append_chars, use DString.append_string
• Deprecated DString.append_string for DStrings, use DString.append_dstring instead.
• Added DString.append_bytes.
• Add streebog (aka "GOST-12") hashing with 256-bit and 512-bit outputs. #2659
• Add unit tests for HMAC 256 based on RFC 4231. #2743
• Add extra AsciiCharset constants and combine its related compile-time/runtime macros. #2688
• Use a Printable struct for ansi RGB formatting instead of explicit allocation and deprecate the old method.
• HashSet.len() now returns usz instead of int. #2740
• Add mem::store and mem::load which may combine both aligned and volatile operations.
• Deprecated EMPTY_MACRO_SLOT and its related uses, in favor of optional_param = ... named macro arguments. #2805
• Add tracking of peak memory usage in the tracking allocator.
• Added realloc_array, realloc_array_aligned, and realloc_array_try to allocator::. #2760

0.7.8 Change list

Changes / improvements

• Improve multiline string parser inside compiler #2552.
• Missing imports allowed if module @if evaluates to false #2251.
• Add default exception handler to Win32 #2557.
• Accept "$schema" as key in project.json #2554.
• Function referencing in @return? for simplified fault declarations. Check @return? eagerly #2340.
• Enums now work with membersof to return the associated values. #2571
• Deprecated SomeEnum.associated in favour of SomeEnum.membersof
• Refactored @simd implementation.
• Improve error message for Foo{} when Foo is not a generic type #2574.
• Support @param directives for ... parameters. #2578
• Allow splatting of structs. #2555
• Deprecate --test-nocapture in favour of --test-show-output #2588.
• Xtensa target no longer enabled by default on LLVM 22, Compile with -DXTENSA_ENABLE to enable it instead
• Add float[<3>] x = { .xy = 1.2, .z = 3.3 } swizzle initialization for vectors. #2599
• Support int $foo... arguments. #2601
• Add musl support with --linux-libc=musl.

Fixes

• Foo.is_eq would return false if the type was a typedef and had an overload, but the underlying type was not comparable.
• Remove division-by-zero checks for floating point in safe mode #2556.
• Fix division-by-zero checks on a /= 0 and b /= 0f #2558.
• Fix fmod a %= 0f.
• Regression vector ABI: initializing a struct containing a NPOT vector with a constant value would crash LLVM. #2559
• Error message with hashmap shows "mangled" name instead of original #2562.
• Passing a compile time type implicitly converted to a typeid would crash instead of producing an error. #2568
• Compiler assert with const enum based on vector #2566
• Fix to Path handling c:\foo and \home parent. #2569
• Fix appending to c:\ or \ #2569.
• When encountering a foreach over a ZString* it would not properly emit a compilation error, but hit an assert #2573.
• Casting a distinct type based on a pointer to an any would accidentally be permitted. #2575
• overflow_* vector ops now correctly return a bool vector.
• Regression vector ABI: npot vectors would load incorrectly from pointers and other things. #2576
• Using defer catch with a (void), would cause an assertion. #2580
• Fix decl attribute in the wrong place causing an assertion. #2581
• Passing a single value to @wasm would ignore the renaming.
• *(int*)1 incorrectly yielded an assert in LLVM IR lowering #2584.
• Fix issue when tests encounter a segmentation fault or similar.
• With project.json, when overriding with an empty list the base settings would still be used. #2583
• Add sigsegv stacktrace in test and regular errors for Darwin Arm64. #1105
• Incorrect error message when using generic type that isn't imported #2589
• String.to_integer does not correctly return in some cases where it should #2590.
• Resolving a missing property on a const enum with inline, reached an assert #2597.
• Unexpected maybe-deref subscript error with out parameter #2600.
• Bug on rethrow in return with defer #2603.
• Fix bug when converting from vector to distinct type of wider vector. #2604
• $defined(hashmap.init(mem)) causes compiler segfault #2611.
• Reference macro parameters syntax does not error in certain cases. #2612
• @param name parsing too lenient #2614.

Stdlib changes

• Add CGFloat CGPoint CGSize CGRect types to core_foundation (macOS).
• Add NSStatusItem const enum to ns module (macOS).
• Add NSWindowCollectionBehavior NSWindowLevel NSWindowTabbingMode to ns module (macOS).
• Add ns::eventmask_from_type function to objc (macOS).
• Deprecate objc enums in favour of const inline enums backed by NS numerical types, and with the NS prefix, to better align with the objc api (macOS).
• Deprecate event_type_from function in favour of using NSEvent directly, to better align with the objc api (macOS).
• Add unit tests for objc and core_foundation (macOS).
• Make printing typeids give some helpful typeid data.
• Add NSApplicationTerminateReply to ns module (macOS).
• Add registerClassPair function to objc module (macOS).
• Somewhat faster BigInt output.
• Cache printf output.

0.7.7 Change list

Changes / improvements

• Error when using $vaarg/$vacount/$vasplat and similar in a macro without vaargs #2510.
• Add splat defaults for designated initialization #2441.
• Add new builtins $$str_snakecase $$str_replace and $$str_pascalcase.
• "build-dir" option now available for project.json, added to project. #2323
• Allow .. ranges to use "a..a-1" in order to express zero length.
• Disallow aliasing of @local symbols with a higher visibility in the alias.
• Add --max-macro-iterations to set macro iteration limit.
• Improved generic inference in initializers #2541.
• "Maybe-deref" subscripting foo.[i] += 1 #2540.
• ABI change for vectors: store and pass them as arrays #2542.
• Add @simd and @align attributes to typedef #2543.
• Rename @extern to @cname, deprecating the old name #2493.
• Allow (Foo)0 bitstruct casts even if type sizes do not match.
• The option --riscvfloat renamed --riscv-abi.
• Add initial --cpu-flags allowing fine grained control over CPU features.
• Add --riscv-cpu settings for RISC-V processors #2549.

Fixes

• Bug in io::write_using_write_byte.
• Bitstruct value cannot be used to index a const array in compile time. #2512
• Compiler fails to stop error print in recursive macro, and also prints unnecessary "inline at" #2513.
• Bitstruct truncated constant error escapes $defined #2515.
• Compiler segfault when accessing member of number cast to bitstruct #2516.
• Compiler assert when getting a member of a bitstruct : char @bigendian #2517.
• Add ??? and +++= to list-precedence.
• Fix issues with linking when using symbol aliases. #2519
• Splatting optional compile-time macro parameter from inside lambda expression does not work #2532.
• Compiler segfault when getting a nonexistant member from an unnamed struct #2533.
• Correctly mention aliased type when method is not implemented #2534.
• Regression: Not printing backtrace when tests fail for MacOS #2536.
• Name property would be used even under c3c test #2587.

Stdlib changes

• Sorting functions correctly took slices by value, but also other types by value. Now, only slices are accepted by value, other containers are always by ref.
• Added @str_snakecase, @str_replace and @str_pascalcase builtin compile time macros based on the $$ builtins.
• Add TcpSocketPair to create a bidirectional local socket pair.
• Add extern fn CInt socketpair(AIFamily domain, AISockType type, CInt protocol, NativeSocket[2]* sv) binding to posix.
• Add extern fn getsockname(NativeSocket socket, SockAddrPtr address, Socklen_t* address_len) binding to win32.

0.7.6 Change list

Changes / improvements

• Add lengthof() compile time function #2439
• Allow doc comments on individual struct members, faultdefs and enum values #2427.
• $alignof, $offsetof and $nameof can now be used in $defined.
• Infer generic parameters lhs -> rhs: List{int} x = list::NOHEAP.
• Unify generic and regular module namespace.
• env::PROJECT_VERSION now returns the version in project.json.
• Comparing slices and arrays of user-defined types that implement == operator now works #2486.
• Add 'loop-vectorize', 'slp-vectorize', 'unroll-loops' and 'merge-functions' optimization flags #2491.
• Add exec timings to -vv output #2490.
• Support #! as a comment on the first line only.
• Add +++= operator.

Fixes

• Compiler assert with var x @noinit = 0 #2452
• Confusing error message when type has [] overloaded but not []= #2453
• $defined(x[0] = val) causes an error instead of returning false when a type does not have []= defined #2454
• Returning pointer to index of slice stored in a struct from method taking self incorrectly detected as returning pointer to local variable #2455.
• Inlining location when accessing #foo symbols.
• Improve inlined-at when checking generic code.
• Fix codegen bug in expressions like foo(x()) ?? io::EOF? causing irregular crashes.
• Correctly silence "unsupported architecture" warning with --quiet #2465
• Overloading &[] should be enough for foreach. #2466
• Any register allowed in X86_64 inline asm address. #2463
• int val = some_int + some_distinct_inline_int errors that int cannot be cast to DistinctInt #2468
• Compiler hang with unaligned load-store pair. #2470
• ?? with void results on both sides cause a compiler crash #2472.
• Stack object size limit error on a static object. #2476
• Compiler segfault when modifying variable using an inline assembly block inside defer #2450.
• Compile time switch over type would not correctly compare function pointer types.
• Regression: Compiler segfault when assigning struct literal with too few members #2483
• Fix compile time format check when the formatting string is a constant slice.
• Compiler segfault for invalid e-mails in project.json. #2488
• Taking .ordinal from an enum passed by pointer and then taking the address of this result would return the enum, not int.
• Alias and distinct types didn't check the underlying type wasn't compile time or optional.
• Incorrect nameof on nested struct names. #2492
• Issue not correctly aborting compilation on recursive generics.
• Crash during codegen when taking the typeid of an empty enum with associated values.
• Assert when the binary doesn't get created and --run-once is used. #2502
• Prevent foo.bar = {} when bar is a flexible array member. #2497
• Fix several issues relating to multi-level inference like int[*][*] #2505
• $for int $a = 1; $a < 2; $a++ would not parse.
• Fix lambda-in-macro visibility, where lambdas would sometimes not correctly link if used through a macro.
• Dead code analysis with labelled if did not work properly.
• Compiler segfault when splatting variable that does not exist in untyped vaarg macro #2509

Stdlib changes

• Added Advanced Encryption Standard (AES) algorithm (ECB, CTR, CBC modes) in std::crypto::aes.
• Added generic InterfaceList to store a list of values that implement a specific interface
• Added path::home_directory, path::documents_directory, path::videos_directory, path::pictures_directory, path::desktop_directory, path::screenshots_directory, path::public_share_directory, path::templates_directory, path::saved_games_directory, path::music_directory, path::downloads_directory.
• Add LinkedList array_view to support [] and foreach/foreach_r. #2438
• Make LinkedList printable and add == operator. #2438
• CVaList support on MacOS aarch64, SysV ABI x64.
• Add io::skip and io::read_le and io::write_le family of functions.

0.7.5 Change list

Changes / improvements

• Support alias foo = module std::io module aliasing.
• Add compile-time @intlog2 macro to math.
• Add compile-time @clz builtin. #2367
• Add bitsizeof macro builtins. #2376
• Add compile-time @min and @max builtins. #2378
• Deprecate @compact use for comparison. Old behaviour is enabled using --use-old-compact-eq.
• Switch available for types implementing @operator(==).
• Type.is_eq is now true for types with == overload.
• Methods ignore visibility settings.
• Allow inout etc on untyped macro parameters even if they are not pointers.
• Deprecate add_array in favour of push_all on lists.
• Fix max module name to 31 chars and the entire module path to 63 characters.
• Improve error message for missing $endif.
• foo[x][y] = b now interpreted as (*&foo[x])[y] = b which allows overloads to do chained [] accesses.
• Error if a stack allocated variable is too big (configurable with --max-stack-object-size).
• Add @safeinfer to allow var to be used locally.
• Types converts to typeid implicitly.
• Allow $defined take declarations: $defined(int x = y)
• Struct and typedef subtypes inherit dynamic functions.
• Improved directory creation error messages in project and library creation commands.
• @assignable_to is deprecated in favour of $define
• Add linklib-dir to c3l-libraries to place their linked libraries in. Defaults to linked-libs
• If the os-arch linked library doesn't exist, try with os for c3l libs.
• A file with an inferred module may not contain additional other modules.
• Update error message for missing body after if/for/etc #2289.
• @is_const is deprecated in favour of directly using $defined.
• @is_lvalue(#value) is deprecated in favour of directly using $defined.
• Added $kindof compile time function.
• Deprecated @typekind macro in favour of $kindof.
• Deprecated @typeis macro in favour of $typeof(#foo) == int.
• $defined(#hash) will not check the internal expression, just that #hash exists. Use $defined((void)#hash) for the old behaviour.
• Added optional macro arguments using macro foo(int x = ...) which can be checked using $defined(x).
• Add compile time ternary $val ??? <expr> : <expr>.

Fixes

• List.remove_at would incorrectly trigger ASAN.
• With avx512, passing a 512 bit vector in a union would be lowered incorrectly, causing an assert. #2362
• Codegen error in if (try x = (true ? io::EOF? : 1)), i.e. using if-try with a known Empty.
• Codegen error in if (try x = (false ? io::EOF? : 1)), i.e. using if-try with a CT known value.
• Reduce allocated Vmem for the compiler on 32 bit machines.
• Bug causing a compiler error when parsing a broken lambda inside of an expression.
• Fixed: regression in comments for @deprecated and @pure.
• Detect recursive creation of generics #2366.
• Compiler assertion when defining a function with return type untyped_list #2368.
• Compiler assert when using generic parameters list without any parameters. #2369
• Parsing difference between "0x00." and "0X00." literals #2371
• Fixed bug generating $c += 1 when $c was derived from a pointer but behind a cast.
• Compiler segfault when using bitwise not on number literal cast to bitstruct #2373.
• Formatter did not properly handle "null" for any, and null for empty faults. #2375
• Bitstructs no longer overloadable with bitops. #2374
• types::has_equals fails with assert for bitstructs #2377
• Fix native_cpus functionality for OpenBSD systems. #2387
• Assert triggered when trying to slice a struct.
• Improve codegen for stack allocated large non-zero arrays.
• Implement a5hash in the compiler for compile-time $$str_hash to match String.hash().
• Functions being tested for overload are now always checked before test.
• Compile time indexing at compile time in a $typeof was no considered compile time.
• Slicing a constant array with designated initialization would not update the indexes.
• Fix for bug when @format encountered * in some cases.
• Compiler segfault on global slice initialization with null[:0] #2404.
• Use correct allocator in replace.
• Regression: 1 character module names would create an error.
• Compiler segfault with struct containing list of structs with an inline member #2416
• Occasionally when using macro method extensions on built-in types, the liveness checker would try to process them. #2398
• Miscompilation of do-while when the while starts with a branch #2394.
• Compiler assert when calling unassigned CT functions #2418.
• Fixed crash in header generation when exporting functions with const enums (#2384).
• Fix incorrect panic message when slicing with negative size.
• Incorrect type checking when &[] and [] return optional values.
• Failed to find subscript overloading on optional values.
• Socket.get_option didn't properly call getsockopt, and getsockopt had an invalid signature.
• Taking the address of a label would cause a crash. #2430
• @tag was not allowed to repeat.
• Lambdas on the top level were not exported by default. #2428
• has_tagof on tagged lambdas returns false #2432
• Properly add "inlined at" for generic instantiation errors #2382.
• Inlining a const as an lvalue would take the wrong path and corrupt the expression node.
• Grabbing (missing) methods on function pointers would cause crash #2434.
• Fix alignment on jump table.
• Fix correct ? after optional function name when reporting type errors.
• Make log and exp no-strip.
• @test/@benchmark on module would attach to interface and regular methods.
• Deprecated @select in favor of ???.
• Enum inference, like Foo x = $eval("A"), now works correctly for $eval.
• Fix regression where files were added more than once. #2442
• Disambiguate types when they have the same name and need cast between each other.
• Compiler module-scope pointer to slice with offset, causes assert. #2446
• Compiler hangs on == overload if other is generic #2443
• Fix missing end of line when encountering errors in project creation.
• Const enum methods are not being recognized. #2445
• $defined returns an error when assigning a struct initializer with an incorrect type #2449

Stdlib changes

• Add == to Pair, Triple and TzDateTime. Add print to Pair and Triple.
• Add OpenBSD to env::INET_DEVICES and add required socket constants.
• Added FileMmap to manage memory mapped files.
• Add vm::mmap_file to memory map a file.
• Updated hash functions in default hash methods.
• Added FixedBlockPool which is a memory pool for fixed size blocks.
• Added the experimental std::core::log for logging.
• Added array @zip and @zip_into macros. #2370
• Updated termios bindings to use bitstructs and fixed some constants with incorrect values #2372
• Add Freestanding OS types to runtime env:: booleans.
• Added libloaderapi to std::os::win32.
• Added HashSet.values and String.contains_char #2386
• Added &[] overload to HashMap.
• Deprecated PollSubscribes and PollEvents in favour of PollSubscribe and PollEvent and made them const enums.
• Added AsciiCharset for matching ascii characters quickly.
• Added String.trim_charset.
• Added array @reduce, @filter, @any, @all, @sum, @product, and @indices_of macros.
• String.bformat has reduced overhead.
• Supplemental roundeven has a normal implementation.

0.7.4 Change list

Changes / improvements

• Added const enums: enum Foo : const. Behaves like C enums but may be any type.
• Casting to / from an enum is now possible again. No need to use .ordinal and .from_ordinal.
• Inline associated enum values are deprecated, use --use-old-enums to re-enable them.
• $typeof may return a compile time type.
• Improved error messages on missing qualifier on enum value. #2260
• Add --echo-prefix to edit the prefix with $echo statements. Supports {FILE} and {LINE}
• Catch accidental foo == BAR; where foo = BAR; was most likely intended. #2274
• Improve error message when doing a rethrow in a function that doesn't return an optional.
• Add --list-asm to view all supported asm instructions.
• Formatting option "%h" now supports pointers.
• Improve error on unsigned implicit conversion to signed.
• Update error message for struct initialization #2286
• Add SipHash family of keyed PRFs. #2287
• $is_const is deprecated in favour of @is_const based on $defined.
• Multiline contract comments #2113
• Removed the use of temp allocator in backtrace printing.
• env::AUTHORS and env::AUTHOR_EMAILS added.
• Suppress codegen of panic printing with when panic messages are set to "off".
• Implicit linking of libc math when libc math functions are used.
• Allow even smaller memory limits.
• Check unaligned array access.
• Add "@structlike" for typedefs.
• "poison" the current function early when a declaration can't be correctly resolved.
• Add komihash, a5hash, metrohash64, metrohash128, and wyhash2 variants with tests/benchmark. #2293
• '$assignable' is deprecated.
• Deprecate allocator::heap() and allocator::temp()
• Add thread::fence providing a thread fence.
• Place output in out by default for projects. Use temp folder for building at the command line.
• Allow absolute paths for $embed.
• Add @try and @try_catch.
• Assignment evaluation order now right->left, following C++17 and possibly C23.

Fixes

• mkdir/rmdir would not work properly with substring paths on non-windows platforms.
• Hex string formatter check incorrectly rejected slices.
• Correctly reject interface methods type and ptr.
• Comparing a null ZString with a non-null ZString would crash.
• Switch case with const non-int / enum would be treated as ints and crash. #2263
• Missing bounds check on upper bound with const ranges foo[1:3].
• Check up the hierarchy when considering if an interface cast is valid #2267.
• Fix issue with labelled break inside of a $switch.
• Non-const macros may not return untyped lists.
• $for ct-state not properly popped.
• Inline r / complex for complex numbers fixed.
• Const slice lengths were not always detected as constant.
• Const slice indexing was not bounds checked.
• Initialize pool correctly in print_backtrace.
• --max-mem now works correctly again.
• Casting a fault to a pointer would trigger an assert.
• Make to_float more tolerant to spaces.
• Fixes to thread local pointer handling.
• Fixes to JSON parsing and Object.
• Array indices are now using int64 internally.
• Bit shift operation fails with inline uint enum despite matching underlying type #2279.
• Fix to codegen when using a bitstruct constant defined using a cast with an operator #2248.
• Function pointers are now compile time constants.
• Splat 8 arguments can sometimes cause incorrect behaviour in the compiler. #2283
• Correctly poison the analysis after a failed $assert or $error. #2284
• $foo variables could be assigned non-compile time values.
• $foo[0] = ... was incorrectly requiring that the assigned values were compile time constants.
• "Inlined at" would sometimes show the current location.
• Fixed bug splatting constants into constants.
• Resize bug when resizing memory down in ArenaAllocator, DynamicArenaAllocator, BackedArenaAllocator.
• Error message for missing arg incorrect for methods with zero args #2296.
• Fix stringify of $vaexpr #2301.
• Segfault when failing to cast subexpression to 'isz' in pointer subtraction #2305.
• Fix unexpected display of macro definition when passing a poisoned expression #2305.
• @links on macros would not be added to calling functions.
• Fix Formatter.print returning incorrect size.
• A distinct type based on an array would yield .len == 0
• Overloading addition with a pointer would not work.
• Copying const enums and regular enums incorrect #2313.
• Regression: Chaining an optional together with contracts could in some cases lose the optional.
• char[*] b = *(char[*]*)&a; would crash the compiler if a was a slice. #2320
• Implicitly cast const int expressions would sometimes not be detected as compile time const.
• Using @noreturn in a short body macro would not work properly #2326.
• Bug when reporting error in a macro return would crash the compiler #2326.
• Short body return expression would not have the correct span.
• Fix issue where recursively creating a dir would be incorrectly marked as a failure the first time.
• @format did not work correctly with macros #2341.
• Crash when parsing recursive type declaration #2345.
• Remove unnecessary "ret" in naked functions #2344.
• Lambdas now properly follow its attributes #2346.
• Not setting android-ndk resulted in a "set ndk-path" error.
• Lambda deduplication would be incorrect when generated at the global scope.
• Disallow accessing parameters in a naked function, as well as return, this fixes #1955.
• Assigning string literal to char[<*>] stores pointer rather than characters. #2357

Stdlib changes

• Improve contract for readline. #2280
• Added Whirlpool hash.
• Added Ed25519.
• Added string::bformat.
• Virtual memory library.
• New virtual memory arena allocator.
• Added WString.len.
• Added @addr macro.
• Add ConditionVariable.wait_until and ConditionVariable.wait_for
• Added readline_to_stream that takes a stream.
• Added Ref and RefCounted experimental functionality.
• Added Volatile generic type.
• Added UnalignedRef generic type.
• Added HashSet generic type.
• Added LinkedHashSet and LinkedHashMap generic types.
• Add String conversion functions snake_case -> PascalCase and vice versa.

0.7.3 Change list

Changes / improvements

• $typefrom now also accepts a constant string, and so works like $evaltype.
• $evaltype is deprecated in favour of $typefrom.
• Literal rules have changed, this makes -0xFF now a signed integer.
• Implicitly convert from constant typeid to Type in $Type assignment, and $assignable.
• Make $Type parameters accept constant typeid values.
• Deprecate foo.#bar.
• Allow inference across && #2172.
• Added support for custom file extensions in project.json targets.
• $eval now also works with @foo, #foo, $Foo and $foo parameters #2114.
• @sprintf macro (based on the $$sprintf builtin) allows compile time format strings #1874.
• Improve error reports when encountering a broken "if-catch".
• Add printf format to $assert and $error #2183.
• Make accepting arguments for main a bit more liberal, accepting main(int argc, ZString* argv)
• Make $echo and @sprintf correctly stringify compile time initializers and slices.
• Add --sources build option to add additional files to compile. #2097
• Support untyped second argument for operator overloading.
• The form-feed character '\f' is no longer valid white space.
• Show code that caused unreachable code #2207
• Allow generics over distinct types #2216.
• Support distrinct types as the base type of bitstructs. #2218
• Add hash::sha512 module to stdlib. #2227
• Compile time type assignment (eg $Foo = int) is no longer an expression.
• Add @allow_deprecated attribute to functions to selectively allow deprecated declarations #2223.
• Improve error message on pointer diff #2239.
• Compile-time comparison of constant vectors. #1575.
• $member.get supports bitstructs.
• $member.set for setting members without the *& trick.
• Initial support for #1925, does not affect C compilation yet, and doesn't try to link etc. Using "--emit-only"

Fixes

• -2147483648, MIN literals work correctly.
• Splatting const slices would not be const. #2185
• Fixes to $define handling of binary ops.
• Fixes methodsof to pick up all sorts of extension methods. #2192
• --lsp sometimes does not emit end tag #2194.
• Improve Android termux detection.
• Update Android ABI.
• Fixes to @format checking #2199.
• Distinct versions of builtin types ignore @operator overloads #2204.
• @operator macro using untyped parameter causes compiler segfault #2200.
• Make unreachable() only panic in safe mode.
• cflags additions for targets was not handed properly. #2209
• $echo would suppress warning about unreachable code. #2205
• Correctly format '%c' when given a width. #2199
• Fix to is_array_or_slice_of_char #2214.
• Method on array slice caused segfault #2211.
• In some cases, the compiler would dereference a compile time null. #2215
• Incorrect codegen if a macro ends with unreachable and is assigned to something. #2210
• Fix error for named arguments-order with compile-time arguments #2212
• Bug in AST copying would make operator overloading like += compile incorrectly #2217.
• $defined(#expr) broken with binary. #2219
• Method ambiguity when importing parent module publicly in private submodule. #2208
• Linker errors when shadowing @local with public function #2198
• Bug when offsetting pointers of large structs using ++ and --.
• x++ and x-- works on pointer vectors #2222.
• x += 1 and x -= 1 works properly on pointer vectors #2222.
• Fixes to x += { 1, 1 } for enum and pointer vectors #2222.
• Linking fails on operator method imported as @public #2224.
• Lambda C-style vaargs were not properly rejected, leading to crash #2229.
• Incorrect handling of constant null fault causing compiler crash #2232.
• Overload resolution fixes to inline typedef #2226.
• math::overflow_* wrappers incorrectly don't allow distinct integers #2221.
• Compiler segfault when using distinct type in attribute imported from other module #2234.
• Assert casting bitstruct to short/char #2237.
• @tag didn't work with members #2236.
• Assert comparing untyped lists #2240.
• Fix bugs relating to optional interface addr-of #2244.
• Compiler null pointer when building a static-lib with -o somedir/... #2246
• Segfault in the compiler when using a bitstruct constant defined using a cast with an operator #2248.
• Default assert() message drops parens #2249.

Stdlib changes

• Deprecate String.is_zstr and String.quick_zstr #2188.
• Add comparison with == for ZString types.
• is_array_or_slice_of_char and is_arrayptr_or_slice_of_char are replaced by constant @ variants.
• @pool now has an optional reserve parameter, some minor changes to the temp_allocator API
• io::struct_to_format now supports bitstructs.
• Add String.escape, String.unescape for escaping and unescaping a string.

0.7.2 Change list

Changes / improvements

• Better default assert messages when no message is specified #2122
• Add --run-dir, to specify directory for running executable using compile-run and run #2121.
• Add run-dir to project.json.
• Add quiet to project.json.
• Deprecate uXX and iXX bit suffixes.
• Add experimental LL / ULL suffixes for int128 and uint128 literals.
• Allow the right hand side of ||| and &&& be runtime values.
• Added @rnd() compile time random function (using the $$rnd() builtin). #2078
• Add math::@ceil() compile time ceil function. #2134
• Improve error message when using keywords as functions/macros/variables #2133.
• Deprecate MyEnum.elements.
• Deprecate SomeFn.params.
• Improve error message when encountering recursively defined structs. #2146
• Limit vector max size, default is 4096 bits, but may be increased using --max-vector-size.
• Allow the use of has_tagof on builtin types.
• @jump now included in --list-attributes #2155.
• Add $$matrix_mul and $$matrix_transpose builtins.
• Add d as floating point suffix for double types.
• Deprecate f32, f64 and f128 suffixes.
• Allow recursive generic modules.
• Add deprecation for @param foo "abc".
• Add --header-output and header-output options for controlling header output folder.
• Generic faults is disallowed.
• Detect when a slice on the stack is accidentally returned from a function.

Fixes

• Assert triggered when casting from int[2] to uint[2] #2115
• Assert when a macro with compile time value is discarded, e.g. foo(); where foo() returns an untyped list. #2117
• Fix stringify for compound initializers #2120.
• Fix No index OOB check for [:^n] #2123.
• Fix regression in Time diff due to operator overloading #2124.
• attrdef with any invalid name causes compiler assert #2128.
• Correctly error on @attrdef Foo = ;.
• Contract on trying to use Object without initializing it.
• Variable aliases of aliases would not resolve correctly. #2131
• Variable aliases could not be assigned to.
• Some folding was missing in binary op compile time resolution #2135.
• Defining an enum like ABC = { 1 2 } was accidentally allowed.
• Using a non-const as the end range for a bitstruct would trigger an assert.
• Incorrect parsing of ad hoc generic types, like Foo{int}**** #2140.
• $define did not correctly handle generic types #2140.
• Incorrect parsing of call attributes #2144.
• Error when using named argument on trailing macro body expansion #2139.
• Designated const initializers with {} would overwrite the parent field.
• Empty default case in @jump switch does not fallthrough #2147.
• &&& was accidentally available as a valid prefix operator.
• Missing error on default values for body with default arguments #2148.
• --path does not interact correctly with relative path arguments #2149.
• Add missing @noreturn to os::exit.
• Implicit casting from struct to interface failure for inheriting interfaces #2151.
• Distinct types could not be used with tagof #2152.
• $$sat_mul was missing.
• for with incorrect var declaration caused crash #2154.
• Check pointer/slice/etc on [out] and & params. #2156.
• Compiler didn't check foreach over flexible array member, and folding a flexible array member was allowed #2164.
• Too strict project view #2163.
• Bug using #foo arguments with $defined #2173
• Incorrect ensure on String.split.
• Removed the naive check for compile time modification, which fixes #1997 but regresses in detection.

Stdlib changes

• Added String.quick_ztr and String.is_zstr
• std::ascii moved into std::core::ascii. Old _m variants are deprecated, as is uint methods.
• Add String.tokenize_all to replace the now deprecated String.splitter
• Add String.count to count the number of instances of a string.
• Add String.replace and String.treplace to replace substrings within a string.
• Add Duration * Int and Clock - Clock overload.
• Add DateTime + Duration overloads.
• Add Maybe.equals and respective == operator when the inner type is equatable.
• Add inherit_stdio option to SubProcessOptions to inherit parent's stdin, stdout, and stderr instead of creating pipes. #2012
• Remove superfluous cleanup parameter in os::exit and os::fastexit.
• Add extern fn ioctl(CInt fd, ulong request, ...) binding to libc;

0.7.1 Change list

Changes / improvements

• Better errors on some common casting mistakes (pointer->slice, String->ZString, deref pointer->array) #2064.
• Better errors trying to convert an enum to an int and vice versa.
• Function @require checks are added to the caller in safe mode. #186
• Improved error message when narrowing isn't allowed.
• Operator overloading for + - * / % & | ^ << >> ~ == != += -= *= /= %= &= |= ^= <<= >>=
• Add @operator_r and @operator_s attributes.
• More stdlib tests: sincos, ArenaAllocator, Slice2d.
• Make aliases able to use @deprecated.
• Refactored stdlib file organization.
• Allow @if on locals.
• String str = "" is now guaranteed to be null terminated. #2083
• Improved error messages on Foo { 3, abc } #2099.
• Foo[1..2] = { .baz = 123 } inference now works. #2095
• Deprecated old inference with slice copy. Copying must now ensure a slicing operator at the end of the right hand side: foo[1..2] = bar[..] rather than the old foo[1..2] = bar. The old behaviour can be mostly retained with --use-old-slice-copy).
• Added Enum.lookup and Enum.lookup_field.
• c3c build picks first target rather than the first executable #2105.
• New Win32 Mutex, ConditionVariable and OnceFlag implementation

Fixes

• Trying to cast an enum to int and back caused the compiler to crash.
• Incorrect rounding at compile time going from double to int.
• Regression with invalid setup of the WASM temp allocator.
• Correctly detect multiple overloads of the same type.
• ABI bug on x64 Linux / MacOS when passing a union containing a struct of 3 floats. #2087
• Bug with slice access as inline struct member #2088.
• @if now does implicit conversion to bool like $if. #2086
• Fix broken enum inline -> bool conversions #2094.
• @if was ignored on attrdef, regression 0.7 #2093.
• @ensure was not included when the function doesn't return a value #2098.
• Added missing @clone_aligned and add checks to @tclone
• Comparing a distinct type with an enum with an inline distinct type failed unexpectedly.
• The %s would not properly print function pointers.
• Compiler crash when passing an untyped list as an argument to assert #2108.
• @ensure should be allowed to read "out" variables. #2107
• Error message for casting generic to incompatible type does not work properly with nested generics #1953
• Fixed enum regression after 0.7.0 enum change.
• ConditionVariable now properly works on Win32

Stdlib changes

• Hash functions for integer vectors and arrays.
• Prefer math::I and math::I_F for math::IMAGINARY and math::IMAGINARYF the latter is deprecated.
• Add array::contains to check for a value in an array or slice.

0.7.0 Change list

Changes / improvements

• Removed Foo { 1, 2 } initializer.
• Changed Foo(<int>) to Foo {int}.
• Removed {| |} expression blocks.
• Removed macro &ref and $varef parameters.
• Removed $vaexpr(0) syntax in favour of $vaexpr[0]
• Enum does not cast to/from an integer (its ordinal).
• Removed use of void! for main, test and benchmark functions.
• Removed $or, $and, $concat compile time functions.
• Removed @adhoc attribute.
• Disallow inline use of nested generics (e.g. List{List{int}}.
• Remove .allocator = allocator syntax for functions.
• Remove @operator(construct).
• Removal of "any-switch".
• Allow swizzling assign, eg. abc.xz += { 5, 10 };
• Added $$wstr16 and $$wstr32 builtins.
• $foreach "()" replaced by trailing ":" $foreach ($x, $y : $foo) -> $foreach $x, $y : $foo:
• $for "()" replaced by trailing ":" $for (var $x = 0; $x < FOO; $x++) -> $for var $x = 0; $x < FOO; $x++:
• $switch "()" replaced by trailing ":" $switch ($Type) -> $switch $Type:
• Empty $switch requires trailing ":" $switch -> $switch:
• Rename @return! to @return? and change syntax to require ":" after faults.
• Remove if (catch foo) { case ... } syntax.
• Remove [?] syntax.
• Change int! to int? syntax.
• New fault declaration using faultdef.
• Enum associated values can reference the calling enum.
• Improve error message on foo ?? io::EOF with missing '?' #2036
• Make @public import recursive. #2018
• Fault nameof prefixes the first last module path, for instance std::io::EOF is rendered as io::EOF.
• Rename def to alias.
• Change distinct -> typedef.
• Order of attribute declaration is changed for alias.
• Added LANGUAGE_DEV_VERSION env constant.
• Rename anyfault -> fault.
• !!foo now works same as as ! ! foo.
• Temp allocator now supports more than 2 in-flight stacks.
• Printing stacktrace uses its own temp allocator.
• Allow inferred type on body parameters. E.g. @stack_mem(1024; alloc) { ... };
• Use @pool_init() to set up a temp pool on a thread. Only the main thread has implicit temp pool setup.
• tmem is now a variable.
• Compile test and benchmark functions when invoking --lsp #2058.
• Added @format attribute for compile time printf validation #2057.
• Formatter no longer implicitly converts enums to ordinals.

Fixes

• Fix address sanitizer to work on MachO targets (e.g. MacOS).
• Post and pre-decrement operators switched places for vector elements #2010.
• Aliases were incorrectly considered compile time constants.
• FreeBSD libc stat definitions were incorrect.
• Atomic max was incorrect.
• "+".to_float() would panic.
• import can now both be @public and @norecurse.
• Crash when trying to convert a struct slice to a vector #2039.
• Crash resolving a method on Foo[2] when Foo is distinct #2042.
• Bug due to missing cast when doing $i[$x] = $z.
• Incorrectly allowed getting pointer to a macro #2049.
• &self not runtime null-checked in macro #1827.
• Bug when printing a boolean value as an integer using printf.
• Show error when a generic module contains a self-generic type.
• "Single module" was not enforced when creating a static library using as a project target.

Stdlib changes

• new_* functions in general moved to version without new_ prefix.
• string::new_from_* changed to string::from_*.
• String.to_utf16_copy and related changed to String.to_utf16.
• String.to_utf16_tcopy and related changed to String.to_temp_utf16
• mem::temp_new changed to mem::tnew.
• mem::temp_alloc and related changed to mem::talloc.
• mem::temp_new_array changed to mem::temp_array.
• Add ONHEAP variants for List/HashMap for initializing global maps on the heap.
• Remove Vec2 and other aliases from std::math. Replace .length_sq() with sq_magnitude()
• Change all hash functions to have a common hash function.
• @wstring, @wstring32, @char32 and @char16 compile time macros added.
• Updates to Atomic to handle distinct types and booleans.
• Added math::iota.
• @pool no longer takes an argument.
• Allocator interface removes mark and reset.
• DynamicArenaAllocator has changed init function.
• Added BackedArenaAllocator which is allocated to a fixed size, then allocates on the backing allocator and supports mark/reset.
• AnyList now also defaults to the temp allocator.
• os::getcwd and os::get_home_dir requires an explicit allocator.
• file::load_new and file::load_path_new removed.
• os::exit and os::fastexit added.

0.6.8 Change list

Changes / improvements

• Increase precedence of (Foo) { 1, 2 }
• Add --enable-new-generics to enable Foo{int} generic syntax.
• {| |} expression blocks deprecated.
• c3c --test-leak-report flag for displaying full memory lead report if any
• Output into /.build/obj/ by default.
• Output llvm/asm into llvm/ and asm/ by default.
• Add flag --suppress-run. For commands which may run executable after building, skip the run step. #1931
• Add --build-env for build environment information.
• Deprecation of @operator(construct).

Fixes

• Bug appearing when ?? was combined with boolean in some cases.
• Test runner --test-disable-sort didn't work, c3c was expecting --test-nosort
• Test runner with tracking allocator assertion at failed test #1963
• Test runner with tracking allocator didn't properly handle teardown_fn
• Correctly give an error if a character literal contains a line break.
• Implicitly unwrapped optional value in defer incorrectly copied #1982.
• Crash when trying to define a method macro that isn't @construct but has no arguments.
• Regression, .gitkeep files were generated incorrectly.
• Aliases are now correctly handled as if they were variables/functions in regards to namespacing and accept @builtin.
• Correctly handle in/out when interacting with inout.
• Don't delete .o files not produced by the compiler.
• Fix optional jumps in expression lists, #1942.
• Several fixes for .o files and -o output, improving handling and naming.
• Fix bug casting bool to int to other int #1995.
• @if declarations were missing from -P output #1973.
• Check exe and lib output so -o works with directories.
• Swizzling an inline vector in a struct would cause a crash.
• Fixed error and poor error message when using an invalid target name.

Stdlib changes

0.6.7 Change list

Changes / improvements

• Contracts @require/@ensure are no longer treated as conditionals, but must be explicitly bool.
• Add win-debug setting to be able to pick dwarf for output #1855.
• Error on switch case fallthrough if there is more than one newline #1849.
• Added flags to c3c project view to filter displayed properties
• Compile time array assignment #1806.
• Allow +++ to work on all types of arrays.
• Allow (int[*]) { 1, 2 } cast style initialization.
• Experimental change from [*] to [?]
• Warn on if-catch with just a default case.
• Compile time array inc/dec.
• Improve error message when using ',' in struct declarations. #1920
• Compile time array assign ops, e.g. $c[1] += 3 #1890.
• Add inline to enums #1819.
• Cleaner error message when missing comma in struct initializer #1941.
• Distinct inline void causes unexpected error if used in slice #1946.
• Allow fn int test() => @pool() { return 1; } short function syntax usage #1906.
• Test runner will also check for leaks.
• Improve inference on ?? #1943.
• Detect unaligned loads #1951.
• Thread no longer allocates memory on posix.

Fixes

• Fix issue requiring prefix on a generic interface declaration.
• Fix bug in SHA1 for longer blocks #1854.
• Fix lack of location for reporting lambdas with missing return statement #1857.
• Compiler allows a generic module to be declared with different parameters #1856.
• Fix issue with @const where the statement $foo = 1; was not considered constant.
• Const strings and bytes were not properly converted to compile time bools.
• Concatenating a const empty slice with another array caused a null pointer access.
• Fix linux-crt and linux-crtbegin not getting recognized as a project parameter
• Fix dues to crash when converting a const vector to another vector #1864.
• Filter $exec output from \r, which otherwise would cause a compiler assert #1867.
• Fixes to `"exec" use, including issue when compiling with MinGW.
• Correctly check jump table size and be generous when compiling it #1877.
• Fix bug where .min/.max would fail on a distinct int #1888.
• Fix issue where compile time declarations in expression list would not be handled properly.
• Issue where trailing body argument was allowed without type even though the definition specified it #1879.
• Fix issues with @jump on empty default or only default #1893 #1894
• Fixes miscompilation of nested @jump #1896.
• Fixed STB_WEAK errors when using consts in macros in the stdlib #1871.
• Missing error when placing a single statement for-body on a new row #1892.
• Fix bug where in dead code, only the first statement would be turned into a nop.
• Remove unused $inline argument to mem::copy.
• Defer is broken when placed before a $foreach #1912.
• Usage of @noreturn macro is type-checked as if it returns #1913.
• Bug when indexing into a constant array at compile time.
• Fixing various issues around shifts, like z <<= { 1, 2 }.
• return (any)&foo would not be reported as an escaping variable if foo was a pointer or slice.
• Incorrect error message when providing too many associated values for enum #1934.
• Allow function types to have a calling convention. #1938
• Issue with defer copying when triggered by break or continue #1936.
• Assert when using optional as init or inc part in a for loop #1942.
• Fix bigint hex parsing #1945.
• bigint::from_int(0) throws assertion #1944.
• write of qoi would leak memory.
• Issue when having an empty Path or just "."
• set_env would leak memory.
• Fix issue where aligned bitstructs did not store/load with the given alignment.
• Fix issue in GrowableBitSet with sanitizers.
• Fix issue in List with sanitizers.
• Circumvent Aarch64 miscompilations of atomics.
• Fixes to ByteBuffer allocation/free.
• Fix issue where compiling both for asm and object file would corrupt the obj file output.
• Fix poll and POLL_FOREVER.
• Missing end padding when including a packed struct #1966.
• Issue when scalar expanding a boolean from a conditional to a bool vector #1954.
• Fix issue when parsing bitstructs, preventing them from implementing interfaces.
• Regression String! a; char* b = a.ptr; would incorrectly be allowed.
• Fix issue where target was ignored for projects.
• Fix issue when dereferencing a constant string.
• Fix problem where a line break in a literal was allowed.

Stdlib changes

• Added '%h' and '%H' for printing out binary data in hexadecimal using the formatter.
• Added weakly linked __powidf2
• Added channels for threads.
• New std::core::test module for unit testing machinery.
• New unit test default runner.
• Added weakly linked fmodf.
• Add @select to perform the equivalent of a ? x : y at compile time.
• HashMap is now Printable.
• Add allocator::wrap to create an arena allocator on the stack from bytes.

0.6.6 Change list

Changes / improvements

• Split help into normal and "full" help, #1703
• Removed 'headers' command line option.
• Add enum.from_ordinal and fault.from_ordinal
• Deprecate cast-style conversion from integer <-> enum.
• Make deprecation an error in test mode.
• Add --win-vs-dirs to override VS detection dirs.
• Add "name" project property to override the name of the resulting binary. #1719
• Improved add-project to take arguments.
• Improve error reporting when using type names as the function argument #1750.
• Improve ordering of method registration to support adding methods to generic modules with method constraints #1746
• Support experimental @operator(construct) operator overload.
• Allow using 'var' to declare lambdas in functions.
• Add 'validation' setting and make dead code a warning.
• Allow compile time $foreach iteration over constant Strings and bytes.
• Improved error message when accessing @private from other modules #1769.
• Include @name when searching for possible matches to name in the error message. #1779
• Improve @param parse errors #1777
• Improved #foo resolution inside of the compiler.
• Deprecated '&' macro arguments.
• Deprecate `fn void! main() type main functions.
• Deprecate old void! @benchmark and @test functions.
• Allow test runners to take String[] arguments.
• Added --lsp output.
• Improve the error message when running out of memory.
• Allowed passing arguments to @test / @benchmark runners via c3c test[benchmark] -- -o --opt1 <arg1>
• Handle bytes and string literals the same way in terms of zero termination.
• Function comments are stored and displayed with -P.
• Prevent #hash arguments from taking code that modifies ct variables. #1794
• Make stringify to recursively enter #hash expressions #1834.

Fixes

• Fix case trying to initialize a char[*]* from a String.
• Fix Map & HashMap put_all_for_create not copying all elements, causing init_from_map to create incomplete copy.
• Fix bug when a macro calling an extern function was called in another module also declaring and calling the same function. #1690
• static-lib and dynamic-lib options from the command line now produces headers.
• Fix bug outputting exported functions without predefined extname.
• Fix problem where crt1 was linked for dynamic libraries on Linux and BSD. #1710
• Fix CRT detection on Arch Linux.
• Fix lexer allowing a trailing underscore (_) with hex and binary literals.
• Fix --list-operators CLI command printing underscore (_) and hash (#).
• Fix bug in temp allocator when temp memory is exhausted and allocation needs overaligned mem. #1715
• Incorrectly handles distinct enums and pointers with '+=' and '-=' #1717.
• Prevent DString from being initialized with "".
• Fix bug in OnStackAllocator when freeing overallocated data. #1720
• Use weak_odr rather than weak on Windows which seems to prevent issues such as #1704.
• Use weak on dyn-symbols on Linux.
• Fix crash on project.json not having an empty set of targets.
• Miscompile when indexing an array with small unsigned types for enums.
• Change CBool to be 1 byte.
• any_to_int checks value to be int and no longer works with enum.
• Add check in formatter printing "%c".
• Fix bug where !! and ! was not recognized to jump out of the current scope.
• Fix bug when including compile time parameters in trailing body more than once.
• Fix issue with compiling a constant struct containing a string array in a local context.
• Fix error where panic would not properly stop the program when stacktrace couldn't be printed #1751.
• Macros with default arguments to &, # and type parameters didn't work as expected. #1754.
• net::poll() with negative timeout behaved incorrectly.
• Return type inference bugs with macros #1757
• $defined in a global scope should accept testing normal macros.
• Assert on add to uninitialized ct variable #1765.
• Dynamic function lookup fails after changing type without dummy anycast #1761
• $vasplat was allowed inside of a function when passed as an argument to a function.
• Prohibit raw vaargs in regular functions with a function body.
• Assert on certain slice to slice casts. #1768.
• Fix vector float -> bool conversion.
• Fix +a = 1 erroneously being accepted.
• Fix not freeing a zero length String
• Macros with trailing bodys aren't allowed as the single statement after a while loop with no body #1772.
• Deref subscripts as needed for macro ref method arguments. #1789
• Change ordering to simplify adding methods to type in conditional modules.
• #foo style arguments were not type checked when given a type. #1790
• Bug when using +++ on value build a slice or array: the rhs cast was not done.
• Fix bug preventing compile time slices from being iterated over with $foreach.
• Fix bug with defer assignment in macro #1807.
• Fix regression with swizzle references for vectors #1810.
• Assert when partially initializing a constant struct containing a slice #1812.
• Assert concatenating constant slices #1805.
• Do not link "ld" on Linux with no libc.
• Fix bug when multiple $else clauses followed an $if #1824.
• Report the correct type as not having a method when access fails #1828.
• Prevent temp arena scribbling from causing an asan warning. #1825
• Fix bug where &i[0] = null was not detected to be an error #1833.

Stdlib changes

• Increase BitWriter.write_bits limit up to 32 bits.
• Updates to Slice2d, like get_xy and others.
• Added iter() value_iter() and key_iter() to HashMap.
• Add "tokenizer" to String.
• Add "skip_empty" to split methods. Add split_to_buffer method.
• Add @enum_from_value.
• Updated hash function.
• Added URL parser.
• Added convenience functions to Maybe.
• Added String.trim_left() and .trim_right().
• Deprecation of several & macros.
• Format functions for timedates.
• Add @assert_leak() to assert on memory leaks in the scope.
• Added double.set_high_word(), double.set_low_word(), and float.set_word().

0.6.5 Change list

Changes / improvements

• Allow splat in initializers.
• Init command will now add test-sources to project.json #1520
• a++ may be discarded if a is optional and ++/-- works for overloaded operators.
• Improve support for Windows cross compilation on targets with case sensitive file systems.
• Add "sources" support to library manifest.json, defaults to root folder if unspecified.
• Add char_at method in DString and operators [], len, []= and &[].
• Add -q option, make --run-once implicitly -q.
• Add -v, -vv and -vvv options for increasing verbosity, replacing debug-log and debug-stats options.

Fixes

• Fix bug where a > 0 ? f() : g() could cause a compiler crash if both returned void!.
• @builtin was not respected for generic modules #1617.
• Fix issue writing a single byte in the WriteBuffer
• A distinct inline pointer type can now participate in pointer arithmetics.
• Support &a[0] returning the distinct type when applying it to a distinct of a pointer.
• Fix error when calling HashMap.remove on uninitialized HashMap.
• Fix issue with resolved try-unwrap in defer.
• Fix issue with overloaded subscript and ++/-- and assign ops (e.g. *=)
• Fix issue with properties in different targets not being respected #1633.
• Indexing an Optional slice would crash in codegen #1636.
• SimpleHeapAllocator bug when splitting blocks allowed memory overrun.
• Not possible to alias or take reference for extension methods on non-user defined types. #1637
• Prevent methods from using names of properties or fields. #1638
• b64 / hex data strings can now be used with ` as well.
• Contracts on generic modules would evaluate too late, sometimes not catching the error until it already occurred elsewhere.
• Fix bug preventing optionals from being used in ranges or as indices.
• Crash compiling for arm64 when returning 16 byte and smaller structs by value not a power of 2 #1649.
• Enforce single module compilation for static libraries to make constructors run properly.
• Crash when using --no-obj without compile-only. #1653
• Do not produce expression locations for windows.
• Issue where multiple methods were accepted for the same type.
• Issue where a method was linked to a type alias instead of the underlying type.
• Fix Fnv1a encoding.
• Fix issue with accessing arrays in access-overloaded types, e.g. list[1][2] #1665.
• Cast removing arbitrary array indices and converting them to pointers should always be fine #1664
• Incorrect "no-libc" definition of cos, making it unavailable for wasm.
• Fix issue with the adjoint and inverse calculations for Matrix2x2.
• It was possible to create 0 length arrays using byte literals. #1678
• Crash when a constant null typeid is checked for properties. #1679

Stdlib changes

• Add io::MultiReader, io::MultiWriter, and io::TeeReader structs.
• Updated Base32 API.
• Add file::save.
• Add memcpy / memset / memcmp to nolibc.
• Add sort::quickselect to find the k-th smallest element in an unordered list.
• Add sort::is_sorted to determine if a list is sorted.
• Implement RFC 3986 for url encoding and decoding.

0.6.4 Change list

Changes / improvements

• Const vector -> const slice implicit conversion.
• Slicing arrays, slices and bytes at compile time #1466.
• Better error for int a[4] = .... #1518
• Better error for int Foo(int a) declarations #1516
• Improve error message in the case of MyInterface x = foo; #1522
• Deprecate @adhoc, allow non-nested ad hoc generic types.
• Constant bytes <=> char[] conversion should work #1514.
• Infer now works across ternary.
• Interfaces now support .ptr and .type directly without casting to any.
• Switch to <* *> docs.
• Improve error messages on expressions like var $type = int; #1553.
• Disallow casting a void* to any or an interface, unless it is null.
• Defer resolution of declarations when looked up in def aliased #1559.
• Adding constants to the Json AST #1540
• Adding info to the globals inside Json AST #1541
• Null-check function pointer invocation #1573.
• string::new_struct_to_str and io::struct_to_format to dump struct data.
• io::print will now print structs.
• Improve error message when using void aliases as variable storage type.
• Add a target type: "prepare" which doesn't compile anything (but may run exec)
• Improve error message on incorrect inner struct/union name #1847.

Fixes

• Unsupported int[*] $x = { 1, 2, 3, 4 } #1489.
• Unexpected compile error using a typed constant with copysign #1517
• Incorrect subscript resolution #1519.
• Segfault with passing a program with - using stdin.
• Using no module with - would reject the program.
• Unintended deref of pointers with methods caused regression with hash function.
• Fix broken sincos function.
• Bug when a continue is copied in a defer.
• Compiler error when any/interface initialized using {} #1533.
• Bug when defers and $if were combined in a macro, which would cause miscompilation.
• Fixes to the CSV reader.
• Crash returning struct or vector from function using ternary expression #1537.
• Improved error message on invalid subscript index type #1535.
• Improved error message when declaring a variable void!.
• Cannot use void as a generic parameter #1546
• Interfaces not correctly copied with generics #1545
• Memory leak in keys.new_list fixed.
• Standard library is now correctly weakly linked, fixing the use of C3 .so together with executable. #1549, #1107.
• Wrong error message for interface methods with body #1536.
• Empty expression block would crash compiler with debug on #1554.
• Improve infer conversions on constants, e.g. ZString a = foo ? "a" : "b"; #1561
• Show error when declarations do not start with fn in interfaces. #1565
• if (try foo) was handled incorrectly inside a defer.
• &self argument not implicitly null checked. #1556.
• (uptr)&((Foo*)null).a incorrectly inserts a null check. #1544
• Incorrect error message when $eval is provided an invalid string. #1570
• HashMap.copy_keys did not properly copy keys which needed to be allocated #1569
• Named vector component access would not fold at compile time. #1574
• $define would occasionally not properly evaluate declarations it encountered.
• Fixes with error handling recursive @tag #1583.
• Sometimes generating introspection info would not be in the global scope causing a crash #1586.
• @tag on macros cannot be retrieved with tagof #1582
• Taking the $typeof of a wildcard optional returns void!.
• Fix bug with enums with jump tables #1840.
• Enum associated declarations accidentally allowed declaration in function style. #1841
• Quicksort and insertsort incorrectly allowing arrays and vectors by value. #1845.

Stdlib changes

• Remove unintended print of char[] as String
• Add read/write to stream with big endian ints.
• Move accidently hidden "wrap_bytes".
• Added CBool #1530.
• Added encoding/base32 module.

0.6.3 Change list

Changes / improvements

• Introduce arg: x named arguments instead of .arg = x, deprecate old style.
• Support splat for varargs #1352.
• Allow var in lambdas in macros.
• Support int[*] { 1, 2, 3 } expressions.
• Support inline struct designated init as if inline was anonymous.
• Introduce the .paramsof property.
• Support environment variable 'C3C_LIB' to find the standard library.
• Support environment variable 'C3C_CC' to find the default C compiler.
• Support casting bitstructs to bool.
• Allow user-defined attributes to have typed parameters.
• Add .gitkeep files to project subfolders.
• Add env::COMPILER_BUILD_HASH and env::COMPILER_BUILD_DATE
• Support linking .o files in compilation command. #1417
• Slicing constant strings at compile time works.
• Add project fetch subcommand to fetch missing project dependencies (general and target specific)
• Ability of vendor-fetch to download the dependencies in the first specified path dependencies-search-path
• Ability of vendor-fetch to register the fetched dependencies in the project file.
• Allow the "self" parameter to be $/# for macro methods.
• Support compile time slicing of untyped lists.
• Allow specifying an import module using @wasm #1305.
• Deprecated inline generic types outside of struct definitions and macros unless marked @adhoc.
• Improved method detection in earlier stages of checking.
• Allow @norecurse attribute for non-recursive imports #1480.
• wasm32 / wasm64 targets are use-libc=no by default.
• Add hash/sha256 module

Fixes

• Issue where a lambda wasn't correctly registered as external. #1408
• Generic methods were incorrectly registered as functions, leading to naming collisions. #1402
• Deprecated tuple / triple types.
• Converting a slice to a vector/array would copy too little data.
• Crash when reading an empty 'manifest.json'.
• "optsize" did not work correctly in project.json.
• l[0].a = 1 now supported for overloads due to better lvalue handling #1357.
• Asserts are retained regardless of optimization when running tests.
• Limit object filename lengths. #1415
• Fix regression for $include.
• Correct '.so' suffix on dynamic libraries on Linux.
• Fix bug where inline index access to array in a struct would crash the compiler.
• Asserts are now correctly included and traced in when running tests.
• Use atexit to fix finalizers on Windows #1361.
• Fix bugs in "trap-on-wrap" #1434.
• Bug with casting anyfault to error.
• Lambda / function type would accidentally be processed as a method.
• Fix error message when not finding a particular function.
• Crash invoking a @body argument with the wrong number of parameters.
• Fix reordering semantics in struct assignment.
• Regression when passing types as #expr arguments. #1461
• Temp allocator overwrites data when doing reset on extra allocated pages. #1462
• User defined attributes could not have more than 1 parameter due to bug.
• Folding a constant array of structs at compile time would cause an assert.
• Enum attributes would be overwritten by enum value attributes.
• LLVM issue with try when bool is combined #1467.
• Segfault using ternary with no assignment #1468.
• Inner types make some errors misleading #1471.
• Fix bug when passing a type as a compile time value.
• Fix bug due to enum associated values not being checked for liveness.
• Regression when compile time accessing a union field not last assigned to.
• Safer seed of rand() for WASM without libc.
• Bad error message aliasing an ident with a path. #1481.
• Error when slicing a struct with an inline array #1488.
• Improved error messages on Foo a = foo { 1 }; #1496
• Bug in json decoder escape handling.
• Fix bug when reading zip manifest, that would not return a zero terminated string. #1490
• Fix thread tests.
• Detect recursion errors on non-recursive mutexes in safe mode.
• Foreach over distinct pointer failed to be caught as error #1506.
• Foreach over distinct iterable would ignore operator(len).
• Compiler crash when compiling c code in a library without --obj-out #1503.

Stdlib changes

• Additional init functions for hashmap.
• format functions are now functions and work better with splat.
• Add support for the QOI format.
• Add io::read_new_fully for reading to the end of a stream.
• Add io::wrap_bytes for reading bytes with io functions.
• Add rnd and rand_in_range default random functions.
• Additional timezone related functions for datetime.
• Added MD5 and crypto::safe_compare.
• Added generic HMAC.
• Added generic PBKDF2 implementation.
• DString reverse.
• DString.insert_at now has variants for other types.

0.6.2 Change list

Changes / improvements

• Updated LLVM passes
• Added is_substruct type property.
• Scalar -> vector not implicit in call or assign.
• Added --vector-conv to enable the old scalar->vector conversion behaviour.
• Added "weak" type aliases def Foo = my_foo::Foo @weak;
• *-add keys in targets in manifest.json and project.json are deprecated.
• Made "add" the default for things like sources, dependencies and other keys in project and library files.
• Give some symbol name suggestions when the path is matched.
• Don't generate .o files on compile and compile-run if there is no main.
• c3c init-lib does not create the directory with the .c3l suffix #1253
• Permit foreach values to be optional.
• Add --show-backtrace option to disable backtrace for even smaller binary.
• Untested Xtensa support.
• && doesn't work correctly with lambdas #1279.
• Fix incorrect override of optimization levels when using projects.
• Add experimental @noalias attribute.
• Add a --run-once option to delete the output file after running it.
• Add @const attribute for macros, for better error messages with constant macros.
• Add wincrt setting to libraries.
• Add +++ &&& ||| as replacement for $concat, $and and $or.
• Add methodsof to type info for struct, union and bitstruct.
• Added @tag tagof and has_tagof to user defined types and members.
• Added c-include-dirs project/manifest setting.
• The compiler now skips UTF8 BOM.
• Printable values passed to the Formatter as pointers, will print as if passed by value.
• Pointers are rendered with "0x" prefix when passed to '%s'.
• Add temp allocator scribble.
• Use PIC by default on Linux.
• $exec may now provide a stdin parameter.
• Introduce $vaarg[...] syntax and deprecate the old $vaarg(...).
• Similar change to $vasplat: $vasplat and $vasplat[1..].
• Add $member.get(value) to replace value.$eval($member.nameof)
• Improve the error message when the compilation does not produce any files #1390.
• Add fmod implementation for nolibc.
• Allow (Foo) { 1, 2 } syntax for compound literals.

Fixes

• Broken WASM library code.
• Regression: Invalid is_random implementation due to changes in 0.6.
• dbghelp.lib was linked even on nolibc on Windows.
• Fix incorrect linker selection on some platforms.
• Struct members declared in a single line declaration were not sharing attributes. #1266
• opt project setting now properly documented.
• Incorrect justify formatting of integers.
• Assertion with duplicate function pointer signatures #1286
• Distinct func type would not accept direct function address assign. #1287
• Distinct inline would not implement protocol if the inlined implemented it. #1292
• Distinct inline can now be called if it is aliasing a function pointer.
• Bug in List add_array when reserving memory.
• Fix issue where a compile time parameter is followed by "...".
• Fix issue with some conversions to untyped list.
• Issue where a if (catch e = ...) in a defer would be incorrectly copied. Causing codegen error.
• Variable in if-try / if-catch cannot be a reused variable name.
• Vararg interfaces were broken.
• LLVM codegen for constants in enums could fail.
• Fixes to the socket functions.
• Improved output when pointer is out of range.
• Better error when casting to a distinct fails.
• With single module, name the .o file after what -o provides. #1306
• Bitstruct members can now have attributes.
• % analysis was incorrect for int vectors.
• When resolving inherited interfaces, the interface type wasn't always resolved.
• Fix issues when checking methods and interfaces hasn't been resolved yet.
• Fix Vec2.angle
• Update to libc::setjmp on Win32, to do no stack unwinding.
• Recursively follow interfaces when looking up method.
• Int128 alignment change in LLVM fixed on x64.
• Fix interface lazy resolution errors.
• Interface resolution when part of generics #1348.
• Assert not properly traced #1354.
• Ordering issues with $include / $exec fixed #1302.
• Issues with wincrt linking.
• Debug info with recursive canonical type usage could cause segfault.
• Missing check on optional left hand side for s.x.
• Incorrect zero analysis on foo["test"] = {} #1360.
• Bug converting untyped list #1360.
• Benchmark / test no longer suppresses debug info. #1364.
• Bug when compile time subtracting a distinct type.
• insert_at incorrectly prevented inserts at the end of a list.
• Fix aligned alloc for Win32 targets.
• Compiler didn't detect when a module name was used both as a generic and regular module.
• Assigning a const zero to an aliased distinct caused an error.
• --path is now properly respected.
• --test will now provide the full filename and the column.
• Fix of bug in defer (catch err) with a direct return error.
• Too restrictive compile time checks for @const.
• Fixes to wasm nolibc in the standard library.
• Fixed int128 div/mod.
• Fix WASM memory init priority.
• Fix bug with defer (catch err) when used together with regular defer.
• Methods can now properly be aliased using def #1393.
• Memory leak in Object when not using temp allocators.
• Tracking allocator would double the allocations in the report.
• printf will now show errors in the output when there are errors.
• Bug where if try would work incorrectly in a macro.
• Prevent loading / storing large structs with LLVM.

Stdlib changes

• send and recv added to libc for Posix / Win32.
• Add support to destroy temp allocators.
• Deprecated path.append, path.tappend, getcwd, tgetcwd, path.absolute, ls.
• Deprecated env::get_config_dir, replaced by env::new_get_config_dir.
• Added path.has_extension, path.new_append, path.temp_append, new_cwd, temp_cwd, path.new_absolute, new_ls, temp_ls.
• Added dstring.replace
• New hashmap type, Map
• Added ElasticArray.
• Added types::is_signed, types::is_unsigned and types::inner_type.

0.6.1 Change list

Changes / improvements

• Addition of $append and $concat functions.
• Added $$str_hash, $$str_upper, $$str_lower, $$str_find builtins.
• Improved error notes when call expressions have errors.
• Trailing body arguments may now be &ref, #hash, $const and $Type arguments.
• "panic-msg" setting to suppress panic message output.
• Require @export functions to have @export types.
• Disallow leading/trailing/duplicate '_' in module names.
• Updated mangling.
• Added $$unaligned_load and $$unaligned_store.
• --no-headers option to suppress creating headers when generating a library.
• Support c-file compilation in libraries.
• Allow using $defined(&a[1]) to check if the operation is supported.
• Max number of members in a struct is limited to 65535.
• The maximum number of parameters in a call is now 255, up from 127.
• Array comparison now uses built-in memcmp on LLVM to enable optimizations.
• Prevent implicit array casts to pointers with higher alignment #1237.
• Macro $case statements now pick the first match and does not evaluate the rest.
• manifest.json is now checked for incorrect keys.
• Added --list-manifest-properties to list the available properties in manifest.json.
• Indexing into a constant array / struct now works at compile time.
• Improved error message when trying user foreach with an untyped list.
• RISCV asm support.

Fixes

• Error with unsigned compare in @ensure when early returning 0 #1207.
• Prevent Mach-O from removing @init and @dynamic in a more reliable way #1200.
• Fix of missing copy of parameterized custom attributes.
• Fixed crash on certain recursive function definitions #1209.
• Return the typekind "FUNC" for a function pointer.
• No longer possible to dereference a function pointer.
• Fix bug with @jump miscompile.
• Bit negate does implicit integer promotion.
• Bitstructs, unions and flexible arrays now correctly emitted in headers.
• Fix distinct inline conversions.
• Bit negating const zero flags would give an incorrect result.
• Fix to scalar -> vector conversions.
• Bug fix for rethrow + defer catch.
• Wrong size for structs containing overaligned structs #1219
• $typeof(*x) should be valid when x is an [out] parameter #1226
• Fix ABI lowering for 128 bit vectors on Linux.
• Bad error message when using a generic method without generic parameters #1228
• Private function called from nested macro not visible to linker #1232
• Bitstructs in structs would not be correctly be handled in some cases.
• Fix problem where a $$FUNC would return "" when evaluated for a static in a function #1236.
• ordinal is no longer a valid associated value name for enums.
• Constants defined by indexing into another constant could fail codegen.
• Stdlib nolibc code bugs fixed.
• Regression: duplicate symbols with static variable declared in macro #1248.
• Unsplat with named parameters was accidentally disallowed.
• Reference parameter doesn't work with vector subscript #1250.
• The msvc_sdk script failed to work properly on windows when run in folders with spaces.
• Using winmain would call the wrong definition #1265.
• DynamicArenaAllocator would not correctly free.

Stdlib changes

• Added remove_first_item remove_last_item and remove_item as aliases for the match functions.
• Added @str_hash, @str_upper, @str_lower, @str_find compile time macros.
• Remove "panic" text from unreachable() when safe mode is turned off.
• Added @unaligned_store and @unaligned_load.
• Null ZString, DString or pointer prints "(null)" for printf.
• Updated sorting API.
• Insertion sort and counting sort added.
• Added missing mem and mem::allocator functions for aligned allocations.
• Added new_init_with_array and temp_init_with_array for List.
• Fixed posix NativeMutex.lock_timeout.
• Fixed env::ARCH_32_BIT and env::ARCH_64_BIT.
• Added time::us.

0.6.0 Change list

Changes / improvements

• @default implementations for interfaces removed.
• any* => any, same for interfaces.
• Private / local globals now have internal visibility in LLVM.
• Updated enum syntax.
• 'rgba' also available for swizzling.
• The name "subarray" has been replaced by the more well known name "slice' across the codebase.
• Improved alignment handling.
• Add --output-dir to command line. #1155
• Allow making distinct types out of "void", "typeid", "anyfault" and faults.
• Removed --system-linker setting.
• "Try" expressions may not be any binary or unary expressions. So for example try foo() + 1 is disallowed.
• Added $$REGISTER_SIZE for int register size.
• assert(false) only allowed in unused branches or in tests. Compile time failed asserts is a compile time error.
• Require expression blocks returning values to have the value used.
• Detect "unsigned >= 0" as errors.
• Improve callstack debug information #1184.
• Request jump table using @jump for switches.
• Improved inline debug information.
• Improved error messages on inlined macros.
• Introduce MSVC compatible SIMD ABI.
• $foreach doesn't create an implicit syntactic scope.
• Error of @if depends on @if
• Support defer (catch err)
• Added print-input command argument to print all files used for compilation
• Allow recursive function definitions as long as they are pointers. #1182
• Default CPU to native if less than AVX, otherwise use AVX.
• Bounds checking on length for foo[1:2] slicing #1191.
• Foreach uses non-wrapping add/dec.

Fixes

• Fixed issue in safe mode when converting enums.
• Better checking of operator methods.
• Bug when assigning an optional from an optional.
• Lambdas were not type checked thoroughly #1185.
• Fix problems using reflection on interface types #1203.
• @param with unnamed macro varargs could crash the compiler.
• Compiler crash using enum nameof from different module #1205.
• Incorrect length passed to scratch buffer printf.
• Casting to a bitstruct would be allowed even if the type was the wrong size.
• Generic modules parameterized with constants would sometimes get the wrong parameterized module name causing conversion errors #1192.
• Duplicate emit of expressions on negation would incorrectly compile negated macros.
• Casting a slice address to its pointer type should not compile #1193.
• Union is not properly zero-initialized with designated initializer #1194.
• Compile time fmod evaluates to 0 #1195.
• Assertion failed when casting (unsigned) argument to enum #1196
• Correct debug info on parameters without storage.
• Fix location on foreach debug output.
• Compiler crash on designated initializer for structs with bitstruct.

Stdlib changes

• "init_new/init_temp" removed.
• LinkedList API rewritten.
• List "pop" and "remove" function now return Optionals.
• RingBuffer API rewritten. Allocator interface changed.
• Deprecated Allocator, DString and mem functions removed.
• "identity" functions are now constants for Matrix and Complex numbers.
• Removed 'append' from Object and List, replaced by 'push'.
• GenericList renamed AnyList.
• Proper handling of '.' and Win32 '//server' paths.
• Path normalization - fix possible null terminator out of bounds.
• Add 'zstr' variants for string::new_format / string::tformat.
• Fix mutex and wait signatures for Win32.

0.5.5 Change list

Changes / improvements

• Disallow multiple _ in a row in digits, e.g. 1__000.
• Added @link attribute.
• New 'linker' build option.
• "linker" project setting updated, "system-linker" removed.

Fixes

• Struct/union members now correctly rejects members without storage size #1147.
• math::pow will now correctly promote integer arguments.
• Pointer difference would fail where alignment != size (structs etc) #1150
• Fixed array calculation for npot2 vectors.
• $$memcpy_inline and $$memset_inline fixed.
• .$Type = ... and .$foo = ... now works #1156.
• int.min incorrect behaviour #1154.
• Bitstruct cast to other bitstruct by way of underlying type would fail #1159.
• Bug in time.add_seconds #1162.
• Remove initial './' in Win32 and convert '/' to '' for paths when running a binary.
• 'output' directory for projects was incorrect in templates.
• Regression: no stacktrace.
• For MacOS, running with higher optimization would crash as initializers were removed.
• compile-run and run now returns the proper return code.
• Allow String constants -> ichar*, and allow integer pointers to explicitly convert between unsigned signed.
• Bug in unaligned return value lowering for Aarch64.

Stdlib changes

• Added new_aligned and alloc_aligned functions to prevent accidental under-alignment when allocating simd.
• Fixes to realloc of aligned allocations
• Use native Windows calls on aligned allocations on Windows.
• mem::copy_inline, mem::clear_inline and mem::set_inline added.
• mem::copy / clear / set no longer has an $inline attribute.
• Native aligned libc malloc on Windows & POSIX.
• Simplification of the allocator interface.
• CoreFoundation only linked on MacOS when used.

0.5.4 Change list

Changes / improvements

• Hash variables may now take a designated initializer.
• Added @safemacro to override the @ requirement for non-function-like macros.
• More information available with debug log in non debug builds.
• Removed install_win_reqs.bat which didn't work well.
• Support ** to mean ./**
• MacOS init/finalizer now respects priority.
• Bitstructs supports != and ==.
• Support Windows .def files using --windef.
• Bitstructs now fold compile time constant bit ops.
• Fix issue where in some cases a constant global with a string wasn't folded (e.g. in asm stmts)
• Lateral implicit imports removed.
• Default to '.' if no libdir is specified.
• Improved error messages for --lib.
• Added --linker to set the linker #1067.

Fixes

• Fixes to macro context evaluation with macro varargs.
• Dynamic methods registered before init functions on MacOS.
• Fixed clobber on x86 cpuid instruction.
• Removed invalid syntax from grammar.y.
• output project setting now respected.
• Aliased declarations caused errors when used in initializers.
• Aliased consts used as constant initializers caused errors.
• Exported module names replace :: by _.
• Const ternary would evaluate incorrectly for ?:
• $$MODULE would report the incorrect module name in macros.
• Fixed debug info for globals and for/switch scopes.
• out now correctly detects subscript[] use.
• Ambiguous recursive imports are now correctly detected.
• Overzealous local escape check corrected #1127.
• Fixes to the matrix functions #1130.

Stdlib changes

• Deprecated Allocator helper functions.
• Added mem::allocator functions corresponding to removed allocator functions.
• Changed mem::new / mem::temp_new to accept an optional initializer, and will clear by default.
• Mem _clear and _zero variants deprecated. "new_*" functions will clear by default.
• Mem "alloc_" functions replace old "new_" behaviour.
• Fixed temp memory issue with formatter.
• Added temp_push and temp_pop for pushing / popping the temp allocator manually (or from C).
• Added byte_size to List
• Added GenericList.

0.5.3 Change list

Changes / improvements

• Migrate from using actual type with GEP, use i8 or i8 array instead.
• Optimize foreach for single element arrays.
• Move all calls to panic due to checks to the end of the function.

Fixes

• Single module command line option was not respected.
• Fixed issue with compile time defined types (String in this case), which would crash the compiler in certain cases.
• Projects now correctly respect optimization directives.
• Generic modules now correctly follow the implicit import rules of regular modules.
• Passing an untyped list to a macro and then using it as a vaarg would crash the compiler.
• Extern const globals now work correctly.

Stdlib changes

• init_new/init_temp deprecated, replaced by new_init and temp_init.

0.5.2 Change list

Changes / improvements

• Allow trailing comma in calls and parameters #1092.

Fixes

• Fixes issue where single character filenames like 'a.c3' would be rejected.
• Better errors when index type doesn't match len() when doing user defined foreach.
• Fixes to to_int for hexadecimal strings.
• Fixed issue when using a generic type from a generic type.
• Bug with vector parameters when the size > 2 and modified.
• Missing error on assigning to in-parameters through subscripting.
• Inference of a vector on the lhs of a binary expression would cause a crash.
• Fixes to PriorityQueue

Stdlib changes

• Allow to_int family functions take a base, parsing base 2-10 and 16.

0.5.1 Change list

Changes / improvements

• Improved error messages for const errors.
• Do not link with debug libraries unless using static libraries.
• Add 'print-linking' build option.
• System linker may be used even if the target arch is different from current.
• Slice -> array/vector works for constant slice lengths.

Fixes

• On Aarch64 use the correct frame pointer type.
• On Aarch64 macOS, ensure the minimum version is 11.0 (Big Sur)
• Fixes to the yacc grammar.
• Dsym generation on macOS will correctly emit -arch.
• Stacktrace on signals on Linux when backtrace is available.

Stdlib changes

• delete and delete_range added to DString.
• Splitter iterator added.
• splitter and iterator String methods.
• load_new, load_buffer and load_temp std::io::file functions.

0.5.0 Change List

Changes / improvements

• Trackable allocator with leak allocation backtraces.
• $defined can take a list of expressions.
• $and compile time "and" which does not check expressions after the first is an error.
• $is_const returns true if an expression is compile time const.
• $assignable returns true is an expression may be implicitly cast to a type.
• $checks and @checked removed, replaced by an improved $defined
• Asm string blocks use AT&T syntax for better reliability.
• Distinct methods changed to separate syntax.
• 'exec' directive to run scripts at compile time.
• Project key descriptions in --list command.
• Added init-lib to simplify library creation.
• Local const work like namespaced global const.
• Added $$atomic_fetch_* builtins.
• vectors may now contain pointers.
• void! does not convert to anyfault.
• $$masked_load / $$masked_store / $$gather / $$scatter for vector masked load/store.
• $$select builtin for vector masked select.
• Added builtin benchmarks by benchmark, compile-benchmark commands and @benchmark attribute.
• Subtype matching in type switches.
• Added parentof typeid property.
• Slice assignment is expanded.
• Enforced optional handling.
• Better dead code analysis, and added dead code errors.
• Exhaustive switches with enums has better analysis.
• Globals may now be initialized with optional values.
• New generic syntax.
• Slice initialization.
• $feature for feature flags.
• Native stacktrace for Linux, MacOS and Windows.
• Macro ref parameters are now of pointer type and ref parameters are not assignable.
• Added nextcase default.
• Added $embed to embed binary data.
• Ad hoc generics are now allowed.
• Allow inferred type on method first argument.
• Fix to void expression blocks
• Temporary objects may now invoke methods using ref parameters.
• Delete object files after successful linking.
• Compile time subscript of constant strings and bytes.
• @if introduced, other top level conditional compilation removed.
• Dynamically dispatched interfaces with optional methods.
• $if now uses $if <expr>: syntax.
• $assert now uses $assert <expr> : <optional message>
• $error is syntax sugar for $assert false : "Some message"
• $include, $echo no longer has mandatory () around the arguments.
• $exec for including the output of files.
• assert no longer allows "try unwrap"
• Updated cpu arguments for x86
• Removed support for ranged case statements that were floats or enums, or non-constant.
• nextcase with a constant expression that does not match any case is an error.
• Dropped support for LLVM 13-14.
• Updated grammar and lexer definition.
• Removal of $elif.
• any / anyfault may now be aliased.
• @stdcall etc removed in favor of @callconv
• Empty fault definitions is now an error.
• Better errors on incorrect bitstruct syntax.
• Internal use wildcard type rather than optional wildcard.
• Experimental scaled vector type removed.
• Disallow parameterize attributes without parameters eg define @Foo() = { @inline }.
• Handle @optreturn contract, renamed @return!.
• Restrict interface style functions.
• Optional propagation and assignment '!' and '?' are flipped.
• Add l suffix (alias for i64).
• Allow getting the underlying type of anyfault.
• De-duplicate string constants.
• Change @extname => @extern.
• define and typedef removed.
• define is replaced by def.
• LLVM "wrapper" library compilation is exception free.
• private is replaced by attribute @private.
• Addition of @local for file local visibility.
• Addition of @public for overriding default visibility.
• Default visibility can be overridden per module compile unit. Eg module foo @private.
• Optimized macro codegen for -O0.
• Addition of unary +.
• Remove possibility to elide length when using ':' for slices.
• Remove the : and ; used in $if, $switch etc.
• Faults have an ordinal.
• Generic module contracts.
• Type inference on enum comparisons, e.g foo_enum == ABC.
• Allow {} to initialize basic types.
• String literals default to String.
• More const modification detection.
• C3L zip support.
• Support printing object files.
• Downloading of libraries using vendor "fetch".
• Structural casts removed.
• Added "native" option for vector capability.
• $$shufflevector replaced with $$swizzle and $$swizzle2.
• Builtin swizzle accessors.
• Lambdas, e.g a = int(x, y) => x + y.
• $$FILEPATH builtin constant.
• variant renamed any.
• anyerr renamed anyfault.
• Added $$wasm_memory_size and $$wasm_memory_grow builtins.
• Add "link-args" for project.
• Possible to suppress entry points using --no-entry.
• Added memory-env option.
• Use the .wasm extension on WASM binaries.
• Update precedence clarification rules for ^|&.
• Support for casting any expression to void.
• Win 32-bit processor target removed.
• Insert null-check for contracts declaring & params.
• Support user defined attributes in generic modules.
• --strip-unused directive for small binaries.
• $$atomic_store and $$atomic_load added.
• usz/isz replaces usize and isize.
• @export attribute to determine what is visible in precompiled libraries.
• Disallow obviously wrong code returning a pointer to a stack variable.
• Add &^| operations for bitstructs.
• @noinit replaces = void to opt-out of implicit zeroing.
• Multiple declarations are now allowed in most places, eg int a, b;.
• Allow simplified (boolean) bitstruct definitions.
• Allow @test to be placed on module declarations.
• Updated name mangling for non-exports.
• defer catch and defer try statements added.
• Better errors from $assert.
• @deprecated attribute added.
• Allow complex array length inference, eg int[*][2][*] a = ....
• Cleanup of cast code.
• Removal of generic keyword.
• Remove implicit cast enum <-> int.
• Allow enums to use a distinct type as the backing type.
• Update addition and subtraction on enums.
• @ensure checks only non-optional results.
• assert may now take varargs for formatting.

Stdlib changes

• Tracking allocator with location.
• init_new/init_temp for allocating init methods.
• DString.printf is now DString.appendf.
• Tuple and Maybe types.
• .as_str() replaced by .str_view()
• Added math::log(x , base) and math::ln(x).
• Hashmap keys implicitly copied if copy/free are defined.
• Socket handling.
• csv package.
• Many random functions.
• Updated posix/win32 stdlib namespacing
• process stdlib
• Stdlib updates to string.
• Many additions to List: remove, array_view, add_all, compact etc
• Added dstringwriter.
• Improved printf formatting.
• is_finite/is_nam/is_inf added.
• OnStack allocator to easily allocate a stack buffer.
• File enhancements: mkdir, rmdir, chdir.
• Path type for file path handling.
• Distinct String type.
• VarString replaced by DString.
• Removal of std::core::str.
• JSON parser and general Object type.
• Addition of EnumMap.
• RC4 crypto.
• Matrix identity macros.
• compare_exchange added.
• printfln and println renamed printfn and printn.
• Support of roundeven.
• Added easings.
• Updated complex/matrix, added quaternion maths.
• Improved support for freestanding.
• Improved windows main support, with @winmain annotations.
• SimpleHeapAllocator added.
• Added win32 standard types.
• Added saturated math.
• Added @expect, @unlikely and @likely macros.
• Temp allocator uses memory-env to determine starting size.
• Temp allocator is now accessed using mem::temp(), heap allocator using allocator::heap().
• Float parsing added.
• Additions to std::net, ipv4/ipv6 parsing.
• Stream api.
• Random api.
• Sha1 hash function.
• Extended enumset functionality.
• Updated malloc/calloc/realloc/free removing old helper functions.
• Added TrackingAllocator.
• Add checks to prevent incorrect alignment on malloc.
• Updated clamp.
• Added Clock and DateTime.
• Added posix socket functions.

Fixes

• Structs returned from macros and then indexed into directly could previously be miscompiled.
• Naked functions now correctly handles asm.
• Indexing into arrays would not always widen the index safely.
• Macros with implicit return didn't correctly deduct the return type.
• Reevaluating a bitstruct (due to checked) would break.
• Fix missing comparison between any.
• Fix issue of designated initializers containing bitstructs.
• Fix issue of designated initializers that had optional arguments.
• Fixed ++ and -- for bitstructs.
• Fix to bug where library source files were sometimes ignored.
• Types of arrays and vectors are consistently checked to be valid.
• Anonymous bitstructs check of duplicate member names fixed.
• Assignment to anonymous bitstruct members in structs.
• Fix casts on empty initializers.
• Fix to DString reserve.
• Fix where aliases did not do arithmetic promotion.
• @local declarations in generic modules available by accident.
• Fixes missing checks to body arguments.
• Do not create debug declaration for value-only parameter.
• Bug in alignment for atomics.
• Fix to bug when comparing nested arrays.
• Fix to bug when a macro is using rethrow.
• Fixes bug initializing a const struct with a const struct value.
• Fixes bug when void is passed to an "any"-vararg.
• Fixed defer/return value ordering in certain cases.
• Fixes to the x64 ABI.
• Updates to how variadics are implemented.
• Fixes to shift checks.
• Fixes to string parsing.
• Bug when rethrowing an optional from a macro which didn't return an optional.
• Fixed issues with ranged cases.
• Disallow trailing ',' in function parameter list.
• Fixed errors on flexible array slices.
• Fix of readdir issues on macOS.
• Fix to slice assignment of distinct types.
• Fix of issue casting slices to distinct types.
• Fixes to split, rindex_of.
• List no longer uses the temp allocator by default.
• Remove test global when not in test mode.
• Fix sum/product on floats.
• Fix error on void! return of macros.
• Removed too permissive casts on slices.
• Using C files correctly places objects in the build folder.
• Fix of overaligned deref.
• Fix negating a float vector.
• Fix where $typeof(x) { ... } would not be a valid compound literal.
• Fix so that using var in if (var x = ...) works correctly.
• Fix int[] -> void* casts.
• Fix in utf8to16 conversions.
• Updated builtin checking.
• Reduce formatter register memory usage.
• Fixes to the "any" type.
• Fix bug in associated values.
• More RISC-V tests and fixes to the ABI.
• Fix issue with hex floats assumed being double despite f suffix.
• Fix of the tan function.
• Fixes to the aarch64 ABI when passing invalid vectors.
• Fix creating typed compile time variables.
• Fix bug in !floatval codegen.
• Fix of visibility issues for generic methods.
• Fixes to $include.
• Fix of LLVM codegen for optionals in certain cases.
• Fix of $vasplat when invoked repeatedly.
• Fix to $$DATE.
• Fix of attributes on nested bitstructs.
• Fix comparing const values > 64 bits.
• Defer now correctly invoked in expressions like return a > 0 ? Foo.ABC! : 1.
• Fix conversion in if (int x = foo()).
• Delay C ABI lowering until requested to prevent circular dependencies.
• Fix issue with decls accidentally invalidated during $checked eval.
• Fold optional when casting slice to pointer.
• Fixed issue when using named arguments after varargs.
• Fix bug initializing nested struct/unions.
• Fix of bool -> vector cast.
• Correctly widen C style varargs for distinct types and optionals.
• Fix of too aggressive codegen in ternary codegen with array indexing.

0.4.0 Change List

• Compatibility with LLVM 16.
• Dropped LLVM 12 support.
• Updated vector comparisons.
• Built in unit testing with @test and compile-test
• Updated memory allocators. Added @scoped and @pool macros.
• Various bug fixes.
• Generic modules may now be generic over integers and booleans.
• Constant pointers may be compile time evaluated.
• Added many new builtins.
• Emit asm using --emit-asm.
• Added --nostdlib and --nolibc.
• Compiling for AVX can now select "native".
• Fixes to adding libraries at link time.
• Various improved error messages.
• Windows debug info fixes.
• Add of foreach_r for reverse list traversal.
• Script downloading the MSVC SDK to cross compile to windows.
• Many standard library additions.
• Extension methods may be added for built-in types.
• Macros may take vector and array arguments generic over length.
• Macro varargs with $vaarg, $vacount etc.
• Many vector builtins added as dot methods.
• in / out / inout doc parameters checked.
• Initial inline asm support for aarch64 and x64.
• Single line short function declaration.
• Added $checks builtin.
• Added $include builtin for including other text files.
• Optional single module compilation.
• Static initialization / finalization to have code running at start/end.
• C3 custom printf function in the stdlib.
• []= overload now works correctly.
• Static libraries may now be built.
• More compile time reflection added and general cleanup done.
• usize/isize/iptrdiff/uptrdiff replaced by usz/isz.
• Add var to allow type inference on regular variables.
• LLVM codegen optimizations.
• ?? now allows chaining another optional.
• int128 support on all platforms.
• import is now allowed anywhere at the top level.
• project.c3p renamed project.json
• Update to project properties, e.g. "libs" -> "dependencies" etc.
• $$TIME, $$DATE and $$FUNCTION builtin defines added.
• $echo function to print messages at compile time.
• Improvements to untyped lists.
• Various builtins added: $$prefetch, $$reverse, $$shufflevector etc.

0.3.0 Change List

Changes / improvements:

• Allow any expression as default expression.
• Allow using enums for indexing arrays.
• Added $convertible / $castable compile time functions.
• Removed ´func´ deprecated keyword
• Slicing a distinct type now returns the distinct type.
• Renamed @autoimport -> @builtin
• Zero length arrays not allowed
• Allow methods may use ref, pointer and value arguments as "self"
• Updated external name mangling
• More advanced introspection.
• @maydiscard and @nodiscard annotations
• New type promotion rules: The common type of int[x]* and int[y]* is int[]
• Added type.inner and type.len reflection.
• Support float mod operations.
• Add float.max/min.
• Allow [in] contract to be used on slices.
• Add linker and linked dir arguments to build files.
• Auto-import std::core.
• LLVM 15 support.
• Better native file handling for MSVC
• New import rules – recursive imports
• Add lld linking for FreeBSD
• User defined attributes. @Foo = @inline
• Support enum associated values.
• @ is now part of the name of an attribute or a macro. Macros without '@' must be function-like.
• Ordinal based enums.
• Allow locals to shadow global variables.
• Prefer inferred constant over global in the case of MyEnum f = BAR;
• Enum and fault name reflection.
• Deref null error now panics in safe mode.

Changes to stdlib:

• Updated allocators.
• Added enum_by_name.
• Moved bitcast to builtin module.
• Native printf for files and strings.
• Updated String.
• Comparison macros
• Added Binary-Heap Based Priority Queue by David Kopec
• Matrix Math Library by PixelRifts
• UTF conversions in "conv" module.

Fixes:

• Attributes correctly checks for recursive definitions now.
• Added a max bitstruct size.
• Fix of expr location in args.
• Fixing distinct, typedef and bitstruct copying. Fix where global constants did not need to be constant.
• Better error on all upper parameter names.
• Fix constant typeid comparisons.
• Simplify and corrected if try/catch parsing.
• Fix bug with { [A] = 1 }
• Conversion unsigned int -> enum fixed.
• Fix bug preventing implicit & on optionals.
• More efficient int[] a = {}
• Fix bug in extension methods for generic types and typedefs
• Fix to extension methods in other modules.
• Disallow complist as a regular macro parameter.
• Fix in nested block handling
• Fix of error where {| |} with value return could have no final return
• Vararg abi fix
• Fix "libs" in project creation
• Fix bug with bit struct initialization and zeros
• Reduce size of memory pages used.
• Fix issues with union of const.
• Fix initialization of anonymous structs.
• Fix conversion between distinct void* and null
• Fix of default project creation target format.
• Fix of $sizeof(Type) => Type.sizeof
• Fix stack setting after error return.
• Fix module assignment of declarations
• Global @align fixed
• Fixes enum set with new ordinal based enums
• SysV ABI fix for passing certain things by struct.
• Fix implicitly converting to float in the case of myfloat *= -1