fizzbuzz_yield.rb

#!/bin/env ruby
#-*- coding: utf-8 -*-

def fizzbuzz(max)
  step = 1
  while step <= max
    fizbuz = step % 15 == 0 ? "FizzBuzz" : \
      step % 5 == 0 ? "Buzz" : \
      step % 3 == 0 ? "Fizz" : step
    yield fizbuz
    step += 1
  end
end

fizzbuzz(100){ |x| puts x }