chained operators

opchain.rb

#http://timelessrepo.com/chained-comparisons

[:<, :>, :<=, :>=].each do |operator|
  [Float, Fixnum, Comparable].each do |klass| 
    klass.class_eval {
      alias_method("__#{operator}__", operator)
      define_method(operator) do |operand|
        send("__#{operator}__", operand) and operand
      end 
    }
  end
  FalseClass.send(:define_method, operator) { false }
end