はてなブックマーク - GitHub - alexanderjarvis/maybe: Maybe is a type that wraps optional values https://b.hatena.ne.jp/entry/s/github.com/alexanderjarvis/maybe Maybe is a type that wraps optional values. It can either be a Just (has some value) or a Nothing (has no value). It's defined like this: type Maybe<A> = Just<A> | Nothing In JavaScript, it is a be... mizchi https://b.hatena.ne.jp/mizchi/20170327#bookmark-328550914 2017-03-27T06:26:39Z nabinno https://b.hatena.ne.jp/nabinno/20170325#bookmark-328550914 2017-03-24T18:46:16Z github maybe haskell kyo_ago https://b.hatena.ne.jp/kyo_ago/20170324#bookmark-328550914 2017-03-24T05:04:55Z check add Haskell yosuke_furukawa https://b.hatena.ne.jp/yosuke_furukawa/20170324#bookmark-328550914 ふむ 2017-03-24T04:53:53Z