diff options
| -rw-r--r-- | object.c | 4 | ||||
| -rw-r--r-- | spec/ruby/core/kernel/yield_self_spec.rb | 5 |
2 files changed, 8 insertions, 1 deletions
@@ -564,12 +564,13 @@ rb_obj_size(VALUE self, VALUE args, VALUE obj) /* * call-seq: + * obj.then {|x| block } -> an_object * obj.yield_self {|x| block } -> an_object * * Yields self to the block and returns the result of the block. * + * 3.next.then {|x| x**x }.to_s #=> "256" * "my string".yield_self {|s| s.upcase } #=> "MY STRING" - * 3.next.yield_self {|x| x**x }.to_s #=> "256" * */ @@ -4065,6 +4066,7 @@ InitVM_Object(void) 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, "then", 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); diff --git a/spec/ruby/core/kernel/yield_self_spec.rb b/spec/ruby/core/kernel/yield_self_spec.rb index 4aa5335db5..0bcf0660c2 100644 --- a/spec/ruby/core/kernel/yield_self_spec.rb +++ b/spec/ruby/core/kernel/yield_self_spec.rb @@ -20,5 +20,10 @@ ruby_version_is "2.5" do enum.peek.should equal object enum.first.should equal object end + + it "has an alias `then`" do + object = Object.new + object.then { 42 }.should equal 42 + end end end |