{"blog_url":"https://nobuhisa.hatenablog.jp/","description":"F#\u3063\u3066\u6a19\u6e96\u3067memoize\u3082\u3069\u304d\u541b\u304c\u5099\u308f\u3063\u3066\u305f\u3088\u3046\u306a\u3001\u3069\u3093\u306a\u95a2\u6570\u3060\u3063\u3051\u30fb\u30fb\u30fb\u3068\u601d\u3063\u3066\u3044\u305f\u77e2\u5148\u3001@igeta\u3055\u3093\u306e\u3064\u3076\u3084\u304d\u306e\u4e2d\u304b\u3089\u305d\u306e\u95a2\u6570\u3092\u767a\u898b\uff01\u767d\u9aa8\uff01\u767a\u6398\uff01 \u305d\u306e\u540d\u3082Seq.cache\u3055\u3093\u3067\u3057\u305f\u3002\u5fd8\u308c\u306a\u3044\u3088\u3046\u306b\u8efd\u304f\u30e1\u30e2\u3057\u3066\u304a\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u3002 > let test1 = seq { for x in 1..10 -> printf \"%d \" x ; x } ;; > let test2 = Seq.cache <| test1 ;; // \u4f55\u56de\u3082\u8a08\u7b97\u3055\u308c\u3061\u3083\u3046\uff01 > Seq.nth 3 test1 ; Seq.nth 3 test1 ;; 1 2 3 4 1 2 3 4 // test2\u306f\u30ad\u2026","width":"100%","author_name":"Nobuhisa","blog_title":"Nobuhisa's diary","image_url":null,"url":"https://nobuhisa.hatenablog.jp/entry/20091111/1257873987","author_url":"https://blog.hatena.ne.jp/Nobuhisa/","type":"rich","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnobuhisa.hatenablog.jp%2Fentry%2F20091111%2F1257873987\" title=\"Seq.cache - Memoize - Nobuhisa&#39;s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","title":"Seq.cache - Memoize","provider_name":"Hatena Blog","published":"2009-11-11 02:26:27","categories":["F#","\u30e1\u30e2"],"provider_url":"https://hatena.blog"}