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weapp/rps_move.rb

Created July 21, 2014 17:10
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rps_move.rb
# http://www.rubytapas.com/episodes/7-Constructors
class RpsMove
def self.new(move)
@cache ||= {}
@cache[move] ||= super(move)
end
def initialize(move)
@move = move
end
end
puts RpsMove.new(:rock).inspect
puts RpsMove.new(:paper).inspect
puts RpsMove.new(:rock).inspect
puts RpsMove.new(:paper).inspect
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