diff options
Diffstat (limited to 'object.c')
-rw-r--r-- | object.c | 18 |
1 files changed, 18 insertions, 0 deletions
@@ -497,6 +497,23 @@ rb_obj_itself(VALUE obj) return obj; } +/* + * call-seq: + * obj.yield_self {|_obj|...} -> an_object + * + * Yields <i>obj</i> and returns the result. + * + * 'my string'.yield_self {|s|s.upcase} #=> "MY STRING" + * + */ + +static VALUE +rb_obj_yield_self(VALUE obj) +{ + RETURN_ENUMERATOR(obj, 0, 0); + return rb_yield_values2(1, &obj); +} + /* :nodoc: */ VALUE rb_obj_init_copy(VALUE obj, VALUE orig) @@ -3507,6 +3524,7 @@ InitVM_Object(void) rb_define_method(rb_mKernel, "clone", rb_obj_clone2, -1); rb_define_method(rb_mKernel, "dup", rb_obj_dup, 0); rb_define_method(rb_mKernel, "itself", rb_obj_itself, 0); + rb_define_method(rb_mKernel, "yield_self", rb_obj_yield_self, 0); rb_define_method(rb_mKernel, "initialize_copy", rb_obj_init_copy, 1); rb_define_method(rb_mKernel, "initialize_dup", rb_obj_init_dup_clone, 1); rb_define_method(rb_mKernel, "initialize_clone", rb_obj_init_dup_clone, 1); |