obelisk2 https://blog.hatena.ne.jp/obelisk2/ Camera Obscura https://obelisk.hatenablog.com/ Ruby まことに FizzBuzz の種は盡きまじ。 fizzbuzz = Enumerator.new {|y| (1..).each do |i| f = (i % 3).zero? b = (i % 5).zero? y << case when f && b then "FizzBuzz" when f then "Fizz" when b then "Buzz" else i.to_s end end } puts fizzbuzz.take(40) Enumerator と Endless Range は使いたいよね。場合分けは case ~ when。 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fobelisk.hatenablog.com%2Fentry%2F2021%2F11%2F03%2F131057" title="Ruby 的に自然な FizzBuzz - Camera Obscura" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2021-11-03 13:10:57 rich https://obelisk.hatenablog.com/entry/2021/11/03/131057 1.0 100%