[ruby/json] Use RB_TYPE_P

https://github.com/ruby/json/commit/b14250f1da
2025-04-27 12:35:01 +02:00 · 2025-04-27 12:35:01 +02:00 · 7f0c6d30d3
commit 7f0c6d30d3
parent 5566a7f740
1 changed files with 1 additions and 1 deletions
--- a/ext/json/generator/generator.c
+++ b/ext/json/generator/generator.c
@ -794,7 +794,7 @@ convert_string_subclass(VALUE key)
 {
    VALUE key_to_s = rb_funcall(key, i_to_s, 0);

-    if (RB_UNLIKELY(rb_type(key_to_s) != T_STRING)) {
+    if (RB_UNLIKELY(!RB_TYPE_P(key_to_s, T_STRING))) {
        VALUE cname = rb_obj_class(key);
        rb_raise(rb_eTypeError,
                 "can't convert %"PRIsVALUE" to %s (%"PRIsVALUE"#%s gives %"PRIsVALUE")",