diff options
| -rw-r--r-- | benchmark/string_dup.yml | 7 | ||||
| -rw-r--r-- | string.c | 13 |
2 files changed, 20 insertions, 0 deletions
diff --git a/benchmark/string_dup.yml b/benchmark/string_dup.yml new file mode 100644 index 0000000000..90793f9f2a --- /dev/null +++ b/benchmark/string_dup.yml @@ -0,0 +1,7 @@ +prelude: | + # frozen_string_literal: true +benchmark: + uplus: | + +"A" + dup: | + "A".dup @@ -1770,6 +1770,18 @@ rb_str_dup(VALUE str) return str_duplicate(rb_obj_class(str), str); } +/* :nodoc: */ +VALUE +rb_str_dup_m(VALUE str) +{ + if (LIKELY(BARE_STRING_P(str))) { + return str_duplicate(rb_obj_class(str), str); + } + else { + return rb_obj_dup(str); + } +} + VALUE rb_str_resurrect(VALUE str) { @@ -12084,6 +12096,7 @@ Init_String(void) rb_define_method(rb_cString, "freeze", rb_str_freeze, 0); rb_define_method(rb_cString, "+@", str_uplus, 0); rb_define_method(rb_cString, "-@", str_uminus, 0); + rb_define_method(rb_cString, "dup", rb_str_dup_m, 0); rb_define_alias(rb_cString, "dedup", "-@"); rb_define_method(rb_cString, "to_i", rb_str_to_i, -1); |