{"title":"ST\u306fState Transformer\u3068\u306f\u8a00\u3046\u3051\u308c\u3069","blog_url":"https://otter-o.hatenadiary.org/","height":"190","author_name":"Otter_O","version":"1.0","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fotter-o.hatenadiary.org%2Fentry%2F20100616%2F1276680518\" title=\"ST\u306fState Transformer\u3068\u306f\u8a00\u3046\u3051\u308c\u3069 - \u53d6\u308a\u6025\u304e\u30d6\u30ed\u30b0\u3067\u3059\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u53d6\u308a\u6025\u304e\u30d6\u30ed\u30b0\u3067\u3059","type":"rich","description":"\u5c11\u3057\u524d\u306b\u5df7\u3067\u306f\u3084\u3063\u305fST\u306e\u3053\u3068\u3092\u52c9\u5f37\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u539f\u5178\u306eLazy Functional State Threads\u3092\u304b\u3058\u3063\u3066\u307f\u307e\u3057\u305f\u3002\u50d5\u306fState\u30e2\u30ca\u30c9\u306f\u306a\u3093\u3068\u306a\u304f\u81ea\u5206\u3067\u304b\u3051\u308b\u304f\u3089\u3044\u307e\u3067\u7406\u89e3\u3057\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001ST\u306f\u4f7f\u3063\u305f\u3053\u3068\u3082\u306a\u3044\u3057\u3001\u3044\u3063\u305f\u3044\u4f55\u7269\u306a\u3093\u3060\u304b\u305c\u3093\u305c\u3093\u77e5\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002State\u30e2\u30ca\u30c9\u306f\u8981\u3059\u308b\u306b\u95a2\u6570\u306a\u308f\u3051\u3067 State s a = State \\s -> (a, s)\u3068\u3044\u3046\u3053\u3068\u306fState\u30e2\u30ca\u30c9\u7cfb\u306eKleisli\u95a2\u6570\u304c\u30d0\u30a4\u30f3\u30c9\u3055\u308c\u308b\u56f3\u306f\u4e71\u66b4\u306a\u898b\u65b9\u3092\u3059\u308c\u3070\u3053\u3046\u3086\u3046\u7d75\u67c4\u306b\u306a\u308b\u308f\u3051\u3067\u3059\u3002runState (\\s -> (a, s') >>= \\a s -> (b, s') >>= \\b \u2026","provider_name":"Hatena Blog","url":"https://otter-o.hatenadiary.org/entry/20100616/1276680518","categories":["Haskell","ST","Monad"],"published":"2010-06-16 18:28:38","image_url":null,"provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/Otter_O/"}