osyo-manga https://blog.hatena.ne.jp/osyo-manga/ Secret Garden(Instrumental) https://secret-garden.hatenablog.com/ Ruby これを簡単に書けるようにしてみたくて書いてみた。 class Enumerator def with_self &block with_object self, &block end end module Enumerable def each_with_self &block each_with_object self, &block end end [1, 2, 3].each_with_self { |it, myself| p "#{it} : #{myself.class}" } # => # "1 : Array" # "2 : Array" # "3 : Array" p [1,… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsecret-garden.hatenablog.com%2Fentry%2F2015%2F08%2F20%2F221455" title="Ruby で #each_with_self を書いてみた - Secret Garden(Instrumental)" 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 2015-08-20 22:14:55 rich https://secret-garden.hatenablog.com/entry/2015/08/20/221455 1.0 100%