{"provider_name":"Hatena Blog","blog_url":"https://faithandbrave.hateblo.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffaithandbrave.hateblo.jp%2Fentry%2F2016%2F05%2F12%2F153314\" title=\"C++1z constexpr\u30e9\u30e0\u30c0 - Faith and Brave - C++\u3067\u904a\u307c\u3046\" 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":"C++1z constexpr\u30e9\u30e0\u30c0","url":"https://faithandbrave.hateblo.jp/entry/2016/05/12/153314","published":"2016-05-12 15:33:14","type":"rich","image_url":null,"blog_title":"Faith and Brave - C++\u3067\u904a\u307c\u3046","author_url":"https://blog.hatena.ne.jp/faith_and_brave/","author_name":"faith_and_brave","categories":["C++"],"version":"1.0","description":"C++1z\u304b\u3089\u306f\u3001\u30e9\u30e0\u30c0\u5f0f\u3092constexpr\u3068\u3057\u3066\u5b9a\u7fa9\u30fb\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 \u30e9\u30e0\u30c0\u5f0f\u3092constexpr\u306b\u3059\u308b\u306b\u306f\u3001\u3053\u308c\u307e\u3067mutable\u3092\u4ed8\u3051\u3066\u3044\u305f\u3068\u3053\u308d\u306b\u3001constexpr\u3092\u4ed8\u3051\u307e\u3059\u3002 int main() { auto add = [](int x) constexpr { return x + 1; }; static_assert(add(1) == 2); } \u30e9\u30e0\u30c0\u5f0f\u306b\u306f\u3001constexpr\u3068mutable\u3092\u4e21\u65b9\u3001\u9806\u4e0d\u540c\u3067\u6307\u5b9a\u3067\u304d\u307e\u3059 \u30e9\u30e0\u30c0\u5f0f\u306bconstexpr\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u3001\u30e9\u30e0\u30c0\u5f0f\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u308b\u95a2\u6570\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u95a2\u6570\u547c\u3073\u51fa\u3057\u6f14\u7b97\u5b50\u304cconstexpr\u306b\u306a\u308a\u307e\u2026","provider_url":"https://hatena.blog","width":"100%"}