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havenwood/equalizable_struct.rb

Created July 26, 2014 03:48
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An EqualizableStruct with Equalizer
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equalizable_struct.rb
require 'equalizer'
class EqualizableStruct < Struct
def initialize *args, &block
class << self
include Equalizer.new(*members)
end
super
end
end
Point = EqualizableStruct.new(:x, :y)
Point.new(0, 0) == Point.new(0, 0)
#=> true
Point.new(0, 0) == Point.new(1, 1)
#=> false
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