{"title":"never \u578b\u3092\u4f7f\u3063\u305f TypeScript \u306e\u30c6\u30af\u30cb\u30c3\u30af","author_url":"https://blog.hatena.ne.jp/numb_86/","width":"100%","description":"\u300c\u767a\u751f\u3057\u5f97\u306a\u3044\u5024\u300d\u306a\u3069\u306e\u3088\u3046\u306b\u8aac\u660e\u3055\u308c\u308bnever\u578b\u3002 \u6982\u5ff5\u3068\u3057\u3066\u306f\u5206\u304b\u308b\u306e\u3060\u304c\u3001\u5b9f\u969b\u306b\u3069\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3067\u4f7f\u3048\u3070\u3088\u3044\u306e\u304b\u30a4\u30e1\u30fc\u30b8\u3067\u304d\u305a\u306b\u3044\u305f\u3002 never\u3092\u4f7f\u3063\u305f\u30c6\u30af\u30cb\u30c3\u30af\u3092\u8abf\u3079\u3066\u3044\u3066\u591a\u5c11\u306e\u30a4\u30e1\u30fc\u30b8\u306f\u63b4\u3081\u3066\u304d\u305f\u306e\u3067\u3001\u6574\u7406\u3057\u3066\u304a\u304f\u3002 \u52d5\u4f5c\u78ba\u8a8d\u306f TypeScript \u306ev3.7.5\u3067\u884c\u3063\u3066\u3044\u308b\u3002 never \u578b\u306e\u7279\u6027 \u307e\u305a\u306fnever\u578b\u304c\u3069\u3046\u3044\u3063\u305f\u578b\u306a\u306e\u304b\u3001\u7406\u89e3\u3059\u308b\u3002 \u6c7a\u3057\u3066\u767a\u751f\u3057\u5f97\u306a\u3044\u5024\u3084\u578b\u306f\u3001never\u578b\u306b\u306a\u308b\u3002 \u4f8b\u3048\u3070\u4ee5\u4e0b\u306eif\u6587\u3067\u306f\u3001else\u30d6\u30ed\u30c3\u30af\u306f\u7d76\u5bfe\u306b\u5b9f\u884c\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u305d\u306e\u306a\u304b\u3067\u306ffoo\u306fnever\u306b\u306a\u308b\u3002 const foo = true; if (foo) { foo; // \u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnumb86-tech.hatenablog.com%2Fentry%2F2020%2F02%2F06%2F214324\" title=\"never \u578b\u3092\u4f7f\u3063\u305f TypeScript \u306e\u30c6\u30af\u30cb\u30c3\u30af - 30\u6b73\u304b\u3089\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://numb86-tech.hatenablog.com/","url":"https://numb86-tech.hatenablog.com/entry/2020/02/06/214324","blog_title":"30\u6b73\u304b\u3089\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0","author_name":"numb_86","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","image_url":null,"height":"190","type":"rich","version":"1.0","published":"2020-02-06 21:43:24","categories":["TypeScript"]}