more progress on grime for code2

code2/grime/unicode.odin

@@ -0,0 +1,38 @@
+package grime
+
+rune16 :: distinct u16
+
+// Exposing the alloc_error
+@(require_results)
+string_to_runes :: proc ( content : string, allocator := context.allocator) -> (runes : []rune, alloc_error: Odin_AllocatorError) #optional_allocator_error {
+	num := str_rune_count(content)
+	runes, alloc_error = make([]rune, num, allocator)
+	if runes == nil || alloc_error != .None {
+		return
+	}
+	idx := 0
+	for codepoint in content {
+		runes[idx] = codepoint
+		idx += 1
+	}
+	return
+}
+
+string_to_runes_array :: proc( content : string, allocator := context.allocator ) -> ( []rune, AllocatorError )
+{
+	num := cast(u64) str_rune_count(content)
+
+	runes_array, alloc_error := make( Array(rune), num, allocator )
+	if alloc_error != .None {
+		return nil, alloc_error
+	}
+
+	runes := array_to_slice_capacity(runes_array)
+
+	idx := 0
+	for codepoint in content {
+		runes[idx] = codepoint
+		idx        += 1
+	}
+	return runes, alloc_error
+}