diff options
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | lib/forwardable.rb | 19 |
2 files changed, 25 insertions, 1 deletions
@@ -1,7 +1,12 @@ +Sun May 22 11:14:40 2011 Eric Hodel <drbrain@segment7.net> + + * lib/forwardable.rb: Document def_delegator. Patch by Sandor Szucs. + [Ruby 1.9 - Bug #4752] + Sun May 22 11:11:41 2011 Eric Hodel <drbrain@segment7.net> * lib/fileutils.rb: Document block behavior of FileUtils.cd. Patch by - Bil Kleb. [Ruby 1.9 - Bug 4751] + Bil Kleb. [Ruby 1.9 - Bug #4751] Sun May 22 11:07:47 2011 Eric Hodel <drbrain@segment7.net> diff --git a/lib/forwardable.rb b/lib/forwardable.rb index b43d00f568..2b71b904d0 100644 --- a/lib/forwardable.rb +++ b/lib/forwardable.rb @@ -175,6 +175,25 @@ module Forwardable end end + # Define +method+ as delegator instance method with an optional + # alias name +ali+. Method calls to +ali+ will be delegated to + # +accessor.method+. + # + # class MyQueue + # extend Forwardable + # attr_reader :queue + # def initialize + # @queue = [] + # end + # + # def_delegator :@queue, :push, :mypush + # end + # + # q = MyQueue.new + # q.mypush 42 + # q.queue #=> [42] + # q.push 23 #=> NoMethodError + # def def_instance_delegator(accessor, method, ali = method) line_no = __LINE__; str = %{ def #{ali}(*args, &block) |