gistfile1.rb

flet do
  def fact(i)
    return 1 if i == 1
    i * fact(i-1)
  end

  def fib(i)
    return 1 if i == 0
    return 1 if i == 1
    fib(i-1) + fib(i-2)
  end

  [fact(10),fib(7)]
end





def flet(&block)
  mod = Module.new
  mod.extend(mod)
  mod.module_eval(&block)
end