diff options
Diffstat (limited to 'ext/json/generator/generator.c')
| -rw-r--r-- | ext/json/generator/generator.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/ext/json/generator/generator.c b/ext/json/generator/generator.c index 1213f42497..c32b5ce093 100644 --- a/ext/json/generator/generator.c +++ b/ext/json/generator/generator.c @@ -732,7 +732,11 @@ json_object_i(VALUE key, VALUE val, VALUE _arg) VALUE key_to_s; switch(rb_type(key)) { case T_STRING: - key_to_s = key; + if (RB_LIKELY(RBASIC_CLASS(key) == rb_cString)) { + key_to_s = key; + } else { + key_to_s = rb_funcall(key, i_to_s, 0); + } break; case T_SYMBOL: key_to_s = rb_sym2str(key); |