Fix `mrb_str_to_str()` to handle symbols.

dc21024e · Yukihiro "Matz" Matsumoto · ace0c76a · dc21024e
Commit dc21024e authored Jun 25, 2019 by Yukihiro "Matz" Matsumoto
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src/string.c src/string.c +2 -0

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--- a/src/string.c
+++ b/src/string.c
@@ -973,6 +973,8 @@ mrb_str_to_str(mrb_state *mrb, mrb_value str)
  switch (mrb_type(str)) {
  case MRB_TT_STRING:
    return str;
+  case MRB_TT_SYMBOL:
+    return mrb_sym2str(mrb, mrb_symbol(str));
  case MRB_TT_FIXNUM:
    return mrb_fixnum_to_str(mrb, str, 10);
  case MRB_TT_CLASS: