{"provider_name":"Hatena Blog","type":"rich","url":"https://bleis-tift.hatenablog.com/entry/shadowing-and-immutable","height":"190","published":"2015-10-01 09:19:38","version":"1.0","image_url":null,"author_url":"https://blog.hatena.ne.jp/bleis-tift/","blog_url":"https://bleis-tift.hatenablog.com/","categories":["C#","F#"],"blog_title":"\u3050\u308b\u3050\u308b\uff5e","width":"100%","provider_url":"https://hatena.blog","description":"\u30b7\u30e3\u30c9\u30fc\u30a4\u30f3\u30b0\u306e\u306a\u3044\u8a00\u8a9e\u3068\u3001\u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u4e2d\u5fc3\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0(\u4ee5\u4e0b\u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0)\u306e\u76f8\u6027\u3063\u3066\u60aa\u3044\u306e\u3067\u306f\uff1f\u3068\u601d\u3063\u305f\u306e\u3067\u30d6\u30ed\u30b0\u306b\u6b8b\u3057\u3066\u304a\u304d\u307e\u3059\u3002 \u30b7\u30e3\u30c9\u30fc\u30a4\u30f3\u30b0\u3068\u306f \u65e2\u5b58\u306e\u5909\u6570\u3068\u540c\u540d\u306e\u5909\u6570\u3092\u5b9a\u7fa9\u3057\u3066\u3001\u305d\u306e\u30b9\u30b3\u30fc\u30d7\u3067\u65e2\u5b58\u306e\u5909\u6570\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002 \u4f8b\u3048\u3070\u3001F#\u3067\u306f\u30b7\u30e3\u30c9\u30fc\u30a4\u30f3\u30b0\u304c\u3067\u304d\u308b\u306e\u3067\u3001 let f x = if x % 2 = 0 then (* \u5f15\u6570\u306ex\u3092\u30b7\u30e3\u30c9\u30fc\u30a4\u30f3\u30b0 *) let x = -1 printf \"%d, \" x (* \u30b9\u30b3\u30fc\u30d7\u304c\u629c\u3051\u305f\u306e\u3067\u3001\u5f15\u6570\u306ex\u3092\u8868\u793a *) printfn \"%d\" x f 10 (* => -1, 10 *) f 11 (*\u2026","author_name":"bleis-tift","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbleis-tift.hatenablog.com%2Fentry%2Fshadowing-and-immutable\" title=\"\u30b7\u30e3\u30c9\u30fc\u30a4\u30f3\u30b0\u3068\u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 - \u3050\u308b\u3050\u308b\uff5e\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u30b7\u30e3\u30c9\u30fc\u30a4\u30f3\u30b0\u3068\u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"}