Class: Chassis::Delegation

Inherits:
Module
  • Object
show all
Defined in:
lib/chassis/delegate.rb

Instance Method Summary collapse

Constructor Details

#initialize(*methods) ⇒ Delegation

Returns a new instance of Delegation.



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# File 'lib/chassis/delegate.rb', line 7

def initialize(*methods)
  options = methods.last.is_a?(Hash) ? methods.pop : { }

  delegate = options.fetch :to do
    fail ArgumentError, ":to not given"
  end

  methods.each do |method|
    define_method method do |*args, &block|
      object = send delegate
      fail DelegationError.new method, delegate unless object
      object.send(method, *args, &block)
    end
  end
end