diff options
| -rw-r--r-- | activesupport/lib/active_support/core_ext/object/misc.rb | 46 |
1 files changed, 31 insertions, 15 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/misc.rb b/activesupport/lib/active_support/core_ext/object/misc.rb index 06a7d05702..99b4a71645 100644 --- a/activesupport/lib/active_support/core_ext/object/misc.rb +++ b/activesupport/lib/active_support/core_ext/object/misc.rb @@ -1,24 +1,40 @@ class Object - # A Ruby-ized realization of the K combinator, courtesy of Mikael Brockman. + # Returns +value+ after yielding +value+ to the block. This simplifies the + # process of constructing an object, performing work on the object, and then + # returning the object from a method. It is a Ruby-ized realization of the K + # combinator, courtesy of Mikael Brockman. # - # def foo - # returning values = [] do - # values << 'bar' - # values << 'baz' - # end - # end + # ==== Examples # - # foo # => ['bar', 'baz'] + # # Without returning + # def foo + # values = [] + # values << "bar" + # values << "baz" + # return values + # end # - # def foo - # returning [] do |values| - # values << 'bar' - # values << 'baz' - # end - # end + # foo # => ['bar', 'baz'] # - # foo # => ['bar', 'baz'] + # # returning with a local variable + # def foo + # returning values = [] do + # values << 'bar' + # values << 'baz' + # end + # end # + # foo # => ['bar', 'baz'] + # + # # returning with a block argument + # def foo + # returning [] do |values| + # values << 'bar' + # values << 'baz' + # end + # end + # + # foo # => ['bar', 'baz'] def returning(value) yield(value) value |