Indexing into a constant array / struct now works at compile time. Constants defined by indexing into another constant could fail codegen. Stdlib nolibc code bugs fixed.

lib/std/collections/list.c3

@@ -54,6 +54,32 @@ fn List* List.temp_init(&self, usz initial_capacity = 16)
 	return self.new_init(initial_capacity, allocator::temp()) @inline;
 }
 
+/**
+ * Initialize a new list with an array.
+ *
+ * @param [in] values `The values to initialize the list with.`
+ * @require self.size == 0 "The List must be empty"
+ **/
+fn List* List.new_init_with_array(&self, Type[] values, Allocator allocator = allocator::heap())
+{
+	self.new_init(values.len, allocator) @inline;
+	self.add_array(values) @inline;
+	return self;
+}
+
+/**
+ * Initialize a temporary list with an array.
+ *
+ * @param [in] values `The values to initialize the list with.`
+ * @require self.size == 0 "The List must be empty"
+ **/
+fn List* List.temp_init_with_array(&self, Type[] values)
+{
+	self.temp_init(values.len) @inline;
+	self.add_array(values) @inline;
+	return self;
+}
+
 /**
  * @require self.size == 0 "The List must be empty"
  **/
@@ -192,6 +218,12 @@ fn Type[] List.array_view(&self)
 	return self.entries[:self.size];
 }
 
+/**
+ * Add the values of an array to this list.
+ *
+ * @param [in] array
+ * @ensure self.size >= array.len
+ **/
 fn void List.add_array(&self, Type[] array)
 {
 	if (!array.len) return;

lib/std/io/io.c3

@@ -384,7 +384,7 @@ File stderr_file;
 
 fn void putchar(char c) @inline
 {
-	(void)stdout_file.putc(c);
+	(void)stdout_file.write_byte(c);
 }
 
 fn File* stdout()

lib/std/io/os/temp_directory.c3

@@ -24,6 +24,7 @@ fn Path! native_temp_directory(Allocator allocator = allocator::heap()) @if(env:
 }
 
 module std::io::os @if(env::NO_LIBC);
+import std::io::path;
 
 macro Path! native_temp_directory(Allocator allocator = allocator::heap())
 {

lib/std/math/math_nolibc/__tan.c3

@@ -60,7 +60,7 @@ fn double __tan(double x, double y, int odd) @extern("__tan") @weak @nostrip
 	w = x + r;
 	if (big)
 	{
-		s = 1 - 2 * odd;
+		s = (double)(1 - 2 * odd);
 		v = s - 2.0 * (x + (r - w*w/(w + s)));
 		return sign ? -v : v;
 	}

lib/std/math/math_nolibc/rempi.c3

@@ -63,7 +63,7 @@ fn int __rem_pio2f(float x, double *y)
 	if (ix >= 0x7f800000)
 	{
 		// x is inf or NaN */
-		*y = x-x;
+		*y = x - (double)x;
 		return 0;
 	}
 	/* scale x into [2^23, 2^24-1] */