refactor error checking and argument parsing

1 files changed, 2 insertions, 1 deletions

diff --git a/val.h b/val.h
index 6aa85c5..4ee76d2 100644
--- a/val.h
+++ b/val.h
@@ -54,6 +54,7 @@ typedef struct {
 typedef struct {
 	Obj obj;
 	Chunk ch;
+	uint8_t arity;
 } ObjFunc;
 
 // Constructs a new objstring from the given C string,
@@ -64,7 +65,7 @@ ObjString *objstring_copy_cstr(State *s, char *str);
 // taking ownership of the provided data.
 ObjString *objstring_take(State *S, char *src, size_t len);
 
-ObjFunc *objfunc_new(State *S);
+ObjFunc *objfunc_new(State *S, uint8_t arity);
 
 #define IS_NIL(x) (x.ty == TY_NIL)
 #define IS_NUM(x) (x.ty == TY_NUM)