{"categories":["program","C++"],"url":"https://melpon.hatenadiary.org/entry/20071026/p1","author_name":"melpon","blog_title":"melpon\u65e5\u8a18 - Haskell\u3082C++\u3082\u307e\u3068\u3082\u306b\u6271\u3048\u306a\u3044\u3078\u305f\u308c\u306e\u30da\u30fc\u30b8","type":"rich","title":"\u30dd\u30a4\u30f3\u30bf\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf","version":"1.0","blog_url":"https://melpon.hatenadiary.org/","author_url":"https://blog.hatena.ne.jp/melpon/","provider_url":"https://hatena.blog","published":"2007-10-26 00:00:02","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmelpon.hatenadiary.org%2Fentry%2F20071026%2Fp1\" title=\"\u30dd\u30a4\u30f3\u30bf\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf - melpon\u65e5\u8a18 - Haskell\u3082C++\u3082\u307e\u3068\u3082\u306b\u6271\u3048\u306a\u3044\u3078\u305f\u308c\u306e\u30da\u30fc\u30b8\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","provider_name":"Hatena Blog","height":"190","description":"typedef void* PVoid; PVoid p = PVoid(); typedef void (*Func)(); Func f = Func(); \u3053\u3046\u3084\u3063\u3066\u66f8\u3044\u305f\u5834\u5408\u3001p \u3084 f \u306f\u5fc5\u305a null \u306b\u306a\u308b\u3088\u3046\u3060\u3002 \u30dd\u30a4\u30f3\u30bf\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306f null \u3092\u8fd4\u3059\u3068\u304b\u305d\u3046\u3044\u3046\u4ed5\u69d8\u306a\u306e\u304b\u306a\u3002 \u3068\u3053\u308d\u3067\u3001\u3053\u308c\u3092 typedef \u305b\u305a\u306b\u66f8\u304f\u65b9\u6cd5\u304c\u5206\u304b\u3089\u306a\u3044\u306e\u3067\u3059\u304c\u679c\u305f\u3057\u3066\u305d\u3093\u306a\u69cb\u6587\u306f\u5b58\u5728\u3059\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002","image_url":null}