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♥Enumerator を使ったシンプルな FizzBuzz♥

Ruby

Last updated at 2012-12-26Posted at 2012-12-01

Enumerator を使ったシンプルな FizzBuzz です。

fizzer = [nil, nil, 'Fizz'].cycle
buzzer = [nil, nil, nil, nil, 'Buzz'].cycle
1.upto(100) { |i|
  fizz, buzz = fizzer.next, buzzer.next
  puts fizz || buzz ? "#{fizz}#{buzz}" : i
}

Array#cycle がクールですね♥

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