extend Forwardable : Forwardable « Collections « Ruby

1. Ruby
2. Collections
3. Forwardable

extend Forwardable

require 'forwardable'

class AppendOnlyArray
  extend Forwardable
  def initialize
    @array = []
  end

  def_delegator :@array, :<<
end

a = AppendOnlyArray.new
a << 4
a << 5


 

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