https://b.hatena.ne.jp/entry/codecommit.com/blog/ruby/adding-type-checking-to-ruby/ Daniel Spiewak is a software engineer based out of Chicago, IL. Over the years, he has worked with Scala, Java, Ruby, Go, Haskell, C/C++, SML, Clojure, and countless other languages, covering topic... https://b.hatena.ne.jp/cu39/20130531#bookmark-7487680 ダックタイピングの考え方で（も）タイプチェックできるフレームワークの紹介。 2013-05-31T13:05:59Z code ruby https://b.hatena.ne.jp/chiko/20090720#bookmark-7487680 2009-07-20T09:36:16Z ruby https://b.hatena.ne.jp/yugui/20080216#bookmark-7487680 types gem; C++でいうConceptもある。 2008-02-16T13:35:01Z ruby https://b.hatena.ne.jp/ogijun/20080214#bookmark-7487680 むー 2008-02-13T23:27:03Z ruby