diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | object.c | 28 |
2 files changed, 31 insertions, 1 deletions
@@ -1,3 +1,7 @@ +Sun Jun %-2d 04:38:20 2006 U-HUDIE\nobu,S-1-5-21-3746871489-166115513-3294629105-1005 <nobu@ruby-lang.org> + + * object.c (sym_to_proc): imported Symbol#to_proc from ActiveSupprot. + Sat Jun 10 18:02:40 2006 Yukihiro Matsumoto <matz@ruby-lang.org> * ext/bigdecimal/lib/bigdecimal/newton.rb (Newton::nlsolve): typo @@ -1055,6 +1055,31 @@ sym_to_sym(VALUE sym) return sym; } +static VALUE +sym_call(VALUE args, VALUE sym) +{ + VALUE obj = RARRAY(args)->ptr[0]; + + return rb_funcall(obj, SYM2ID(sym), + RARRAY(args)->len - 1, + RARRAY(args)->ptr + 1); +} + +/* + * call-seq: + * sym.to_proc + * + * Returns a _Proc_ object which respond to the given method by _sym_. + * + * (1..3).collect(&:to_s) #=> ["1", "2", "3"] + */ + +static VALUE +sym_to_proc(VALUE sym) +{ + return rb_proc_new(sym_call, sym); +} + /*********************************************************************** * @@ -2453,7 +2478,8 @@ Init_Object(void) rb_define_method(rb_cSymbol, "to_s", sym_to_s, 0); rb_define_method(rb_cSymbol, "id2name", sym_to_s, 0); rb_define_method(rb_cSymbol, "to_sym", sym_to_sym, 0); - rb_define_method(rb_cSymbol, "===", rb_obj_equal, 1); + rb_define_method(rb_cSymbol, "to_proc", sym_to_proc, 0); + rb_define_method(rb_cSymbol, "===", rb_obj_equal, 1); rb_define_method(rb_cModule, "freeze", rb_mod_freeze, 0); rb_define_method(rb_cModule, "===", rb_mod_eqq, 1); |