Safety commit

src/types.c

@@ -132,6 +132,10 @@ Type *type_pointer_wrap(Type *t) {
 	return (Type*) ret;
 }
 
+int type_is_number(Type *t) {
+	return t->type == TYPE_TYPE_POINTER || t->type == TYPE_TYPE_PRIMITIVE;
+}
+
 int type_is_castable(Type *from, Type *to) {
 	if(type_equal(from, to)) return 2;
 	
@@ -152,4 +156,4 @@ int type_is_castable(Type *from, Type *to) {
 	}
 	
 	return 0;
-}
+}