diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-09-06 16:59:10 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-09-06 16:59:10 +0000 |
commit | d314a7dd8540293dae14e1e2cfd2f80ca143a56e (patch) | |
tree | cf4429fba0399909ce3991ef387a75bd68f45cf4 /string.c | |
parent | 301c9f1265ee471a5697623d3bb928cb73544057 (diff) | |
download | ruby-d314a7dd8540293dae14e1e2cfd2f80ca143a56e.tar.gz |
* string.c (sym_equal): override. check equivalence.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10872 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'string.c')
-rw-r--r-- | string.c | 17 |
1 files changed, 17 insertions, 0 deletions
@@ -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); |