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Fix doc for using SingleForwardable with Module #231

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Fix doc for using SingleForwardable with Module #231

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22 changes: 13 additions & 9 deletions lib/forwardable.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -196,17 +196,21 @@ def #{ali}(*args, &block)
# printer.def_delegator "STDOUT", "puts" # add delegation for STDOUT.puts()
# printer.puts "Howdy!"
#
# Also, SingleForwardable can be use to Class or Module.
# Also, SingleForwardable can be used to set up delegation for a Class or Module.
#
# module Facade
# extend SingleForwardable
# def_delegator :Implementation, :service
#
# class Implementation
# def service...
# end
# end
# class Implementation
# def self.service
# puts "serviced!"
# end
# end
#
# module Facade
# extend SingleForwardable
# def_delegator :Implementation, :service
# end
#
# Facade.service #=> serviced!
#
# If you want to use both Forwardable and SingleForwardable, you can
# use methods def_instance_delegator and def_single_delegator, etc.
module SingleForwardable
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