{"provider_url":"https://hatena.blog","image_url":null,"blog_url":"https://faithandbrave.hateblo.jp/","author_name":"faith_and_brave","provider_name":"Hatena Blog","width":"100%","published":"2019-08-20 12:36:34","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffaithandbrave.hateblo.jp%2Fentry%2F2019%2F08%2F20%2F123634\" title=\"Boost 1.71.0\u30ea\u30ea\u30fc\u30b9 - 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>","blog_title":"Faith and Brave - C++\u3067\u904a\u307c\u3046","categories":["C++"],"type":"rich","title":"Boost 1.71.0\u30ea\u30ea\u30fc\u30b9","version":"1.0","description":"Version 1.71.0 - Boost C++ Libraries Boost 1.71.0\u30ea\u30ea\u30fc\u30b9\u30ce\u30fc\u30c8 - boostjp Boost 1.71.0\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u307e\u3057\u305f\u3002\u30ea\u30ea\u30fc\u30b9\u30ce\u30fc\u30c8\u306e\u65e5\u672c\u8a9e\u8a33 + \u60c5\u5831\u88dc\u5b8c\u3057\u305f\u3082\u306e\u3092boostjp\u30b5\u30a4\u30c8\u3067\u516c\u958b\u3057\u3066\u3044\u307e\u3059\u3002 \u65b0\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3001Variant2\u3002C++17\u3067\u6a19\u6e96\u5316\u3055\u308c\u305fstd::variant\u3068\u4e92\u63db\u6027\u3042\u308bAPI\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u6a19\u6e96\u306e\u3082\u306e\u3068\u9055\u3063\u3066valueless\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u4e92\u63db\u6027\u306e\u305f\u3081\u306bvalueless_by_exception()\u95a2\u6570\u306f\u7528\u610f\u3055\u308c\u307e\u3059\u304c\u3001\u5e38\u306bfalse\u3092\u8fd4\u3057\u307e\u3059\u3002 Boost.SmartPtr\u3067\u306fenable_\u2026","url":"https://faithandbrave.hateblo.jp/entry/2019/08/20/123634","height":"190","author_url":"https://blog.hatena.ne.jp/faith_and_brave/"}