From 70490da55a1782b752f0a67b31130a8847be6fae Mon Sep 17 00:00:00 2001 From: matz Date: Wed, 22 Nov 2006 08:37:12 +0000 Subject: * object.c (rb_obj_tap): a new method. [ruby-talk:224013] git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@11303 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- object.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'object.c') diff --git a/object.c b/object.c index 9660ee6d9..a73ee66b4 100644 --- a/object.c +++ b/object.c @@ -409,6 +409,23 @@ rb_obj_is_kind_of(VALUE obj, VALUE c) } +/* + * call-seq: + * obj.tap{|x|...} => obj + * + * Returns the receiver after executing the block given. Its main + * purpose is to be inseted in the method chain. + * + */ + +VALUE +rb_obj_tap(VALUE obj) +{ + rb_yield(obj); + return obj; +} + + /* * Document-method: inherited * @@ -2326,6 +2343,7 @@ Init_Object(void) rb_define_method(rb_mKernel, "instance_of?", rb_obj_is_instance_of, 1); rb_define_method(rb_mKernel, "kind_of?", rb_obj_is_kind_of, 1); rb_define_method(rb_mKernel, "is_a?", rb_obj_is_kind_of, 1); + rb_define_method(rb_mKernel, "tap", rb_obj_tap, 0); rb_define_private_method(rb_mKernel, "singleton_method_added", rb_obj_dummy, 1); rb_define_private_method(rb_mKernel, "singleton_method_removed", rb_obj_dummy, 1); -- cgit