diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | string.c | 17 |
2 files changed, 21 insertions, 0 deletions
@@ -1,3 +1,7 @@ +Thu Sep 7 01:54:22 2006 Yukihiro Matsumoto <matz@ruby-lang.org> + + * string.c (sym_equal): override. check equivalence. + Wed Sep 6 13:25:04 2006 Yukihiro Matsumoto <matz@ruby-lang.org> * parse.y (symbols_i): need to initialize early-created symbols. @@ -4424,6 +4424,22 @@ rb_sym_s_intern(VALUE s) /* * call-seq: + * sym == obj => true or false + * + * Equality---If <i>sym</i> and <i>obj</i> are exactly the same + * symbol, returns <code>true</code>. Otherwise, returns + * <code>false</code>. + */ + +static VALUE +sym_equal(VALUE sym1, VALUE sym2) +{ + if (sym1 == sym2) return Qtrue; + return Qfalse; +} + +/* + * call-seq: * sym.to_i => fixnum * * Returns an integer that is unique for each symbol within a @@ -4703,6 +4719,7 @@ Init_String(void) rb_define_singleton_method(rb_cSymbol, "all_symbols", rb_sym_all_symbols, 0); /* in parse.y */ rb_define_singleton_method(rb_cSymbol, "intern", rb_sym_s_intern, 1); + rb_define_method(rb_cSymbol, "==", sym_equal, 1); rb_define_method(rb_cSymbol, "to_i", sym_to_i, 0); rb_define_method(rb_cSymbol, "inspect", sym_inspect, 0); rb_define_method(rb_cSymbol, "to_s", sym_to_s, 0); |