- 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.

lib/std/os/env.c3

@@ -66,7 +66,7 @@ fn bool set_var(String name, String value, bool overwrite = true) => @pool()
 <*
 Returns the current user's home directory.
 *>
-fn String? get_home_dir(Allocator using = allocator::heap())
+fn String? get_home_dir(Allocator allocator)
 {
 	String home;
 	$if !env::WIN32:
@@ -74,7 +74,7 @@ fn String? get_home_dir(Allocator using = allocator::heap())
 	$else
 		home = "USERPROFILE";
 	$endif
-	return get_var(using, home);
+	return get_var(allocator, home);
 }
 
 

lib/std/os/macos/darwin.c3

@@ -93,7 +93,7 @@ fn uptr? load_address() @local
 }
 
 
-fn Backtrace? backtrace_load_element(String execpath, void* buffer, void* load_address, Allocator allocator = allocator::heap()) @local
+fn Backtrace? backtrace_load_element(Allocator allocator, String execpath, void* buffer, void* load_address) @local
 {
 	@pool()
 	{
@@ -150,7 +150,7 @@ fn BacktraceList? symbolize_backtrace(Allocator allocator, void*[] backtrace)
 		String execpath = executable_path(tmem())!;
 		foreach (addr : backtrace)
 		{
-			list.push(backtrace_load_element(execpath, addr, load_addr, allocator) ?? backtrace::BACKTRACE_UNKNOWN);
+			list.push(backtrace_load_element(allocator, execpath, addr, load_addr) ?? backtrace::BACKTRACE_UNKNOWN);
 		}
 	};
 	return list;

lib/std/os/macos/objc.c3

@@ -26,7 +26,7 @@ macro ObjcClass? class_by_name(ZString c)
 	return cls ?: CLASS_NOT_FOUND?;
 }
 
-macro ObjcClass[] class_get_list(Allocator allocator = allocator::heap())
+macro ObjcClass[] class_get_list(Allocator allocator)
 {
 	int num_classes = objc::getClassList(null, 0);
 	if (!num_classes) return {};