Ruby 初心者スレッド Part 61 [無断転載禁止]©2ch.net

[435 デフォルトの名無しさん 2017/10/01(日) 17:51:05.47 ID:YAYz069J]

Ruby 4: To Infinity and Beyond // Speaker Deck
https://speakerdeck.com/bbatsov/ruby-4-to-infinity-and-beyond