1 files changed, 23 insertions, 0 deletions
diff --git a/stdlib/optionals.h b/stdlib/optionals.h
new file mode 100644
index 00000000..e37d5345
--- /dev/null
+++ b/stdlib/optionals.h
@@ -0,0 +1,23 @@
+#pragma once
+
+// Optional types
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "types.h"
+#include "util.h"
+
+#define OptionalBool_t uint8_t
+
+extern const OptionalBool_t NULL_BOOL;
+extern const Table_t NULL_TABLE;
+extern const Array_t NULL_ARRAY;
+extern const Int_t NULL_INT;
+extern const Closure_t NULL_CLOSURE;
+extern const Text_t NULL_TEXT;
+
+PUREFUNC bool is_null(const void *obj, const TypeInfo *non_optional_type);
+Text_t Optional$as_text(const void *obj, bool colorize, const TypeInfo *type);
+
+// vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0