gistfile1.rbx

class FalseClass
  def ifTrue(blk, options)
    options[:ifFalse].call
  end
end

class TrueClass
  def ifTrue(blk, options)
    blk.call
  end
end

true.ifTrue(lambda {puts "True is true"}, :ifFalse => lambda {puts "True is false, generally not a good thing"})
false.ifTrue(lambda {puts "False is true, generally not a good thing"}, :ifFalse => lambda {puts "False is false, it should be"})