diff options
| -rw-r--r-- | src/array.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/src/array.c b/src/array.c index ff0bb8a85..2fb662c92 100644 --- a/src/array.c +++ b/src/array.c @@ -1032,9 +1032,7 @@ mrb_ary_join_m(mrb_state *mrb, mrb_value ary) mrb_value sep = mrb_nil_value(); mrb_get_args(mrb, "|o", &sep); - if (mrb_nil_p(sep)) { - sep = mrb_str_to_str(mrb, sep); - } else if (mrb_type(sep) != MRB_TT_STRING) { + if (!(mrb_nil_p(sep) || mrb_type(sep) == MRB_TT_STRING)) { mrb_raise(mrb, E_TYPE_ERROR, "expected String"); return mrb_nil_value(); } |