はてなブックマーク - The <code>&lt;- pure</code> pattern https://b.hatena.ne.jp/entry/neilmitchell.blogspot.com/2020/03/the-pure-pattern.html Summary: Sometimes <- pure makes a lot of sense, avoiding some common bugs. In Haskell, in a monadic do block, you can use either <- to bind monadic values, or let to bind pure values. You can also... komlow https://b.hatena.ne.jp/komlow/20200323#bookmark-4683024428569044482 2020-03-23T04:59:30Z haskell Hiro_Matsuno https://b.hatena.ne.jp/Hiro_Matsuno/20200323#bookmark-4683024428569044482 2020-03-23T01:36:47Z mstk_knife https://b.hatena.ne.jp/mstk_knife/20200320#bookmark-4683024428569044482 2020-03-20T03:33:24Z あとで読む masa120102 https://b.hatena.ne.jp/masa120102/20200320#bookmark-4683024428569044482 2020-03-20T02:40:15Z あとで読む sakito0902 https://b.hatena.ne.jp/sakito0902/20200320#bookmark-4683024428569044482 2020-03-20T00:26:28Z Haskell HotEntry プログラミング igrep https://b.hatena.ne.jp/igrep/20200320#bookmark-4683024428569044482 2020-03-20T00:08:56Z haskell xef https://b.hatena.ne.jp/xef/20200320#bookmark-4683024428569044482 2020-03-19T22:49:16Z Haskell u_wot_m8 https://b.hatena.ne.jp/u_wot_m8/20200318#bookmark-4683024428569044482 2020-03-17T22:35:43Z Haskell