1 files changed, 1 insertions, 0 deletions
diff --git a/src/types.h b/src/types.h
index 2a94a512..b8f9a42f 100644
--- a/src/types.h
+++ b/src/types.h
@@ -136,6 +136,7 @@ struct type_s {
     _make_function_type(ret, sizeof((arg_t[]){__VA_ARGS__}) / sizeof(arg_t), (arg_t[]){__VA_ARGS__})
 
 Text_t type_to_text(type_t *t);
+Text_t arg_types_to_text(arg_t *args, const char *separator);
 const char *get_type_name(type_t *t);
 PUREFUNC bool type_eq(type_t *a, type_t *b);
 PUREFUNC bool type_is_a(type_t *t, type_t *req);