{"height":"190","title":" future_error\u306e\u8abf\u67fb","description":"cpprefjp\u3067future\u95a2\u4fc2\u3092\u66f8\u3044\u3066\u308b\u306e\u3067\u305d\u306e\u691c\u8a3c\u3002 \u305f\u3068\u3048\u3070\u3001std::promise\u306b\u5bfe\u3057\u30662\u56de\u4ee5\u4e0a\u5024\u3092\u66f8\u304d\u8fbc\u3080\u3068\u3001std::future_error\u4f8b\u5916\u304c\u6295\u3052\u3089\u308c\u307e\u3059\u3002 #include <iostream> #include <future> #include <thread> #include <functional> void foo(std::promise<int>& p) { p.set_value(3); try { p.set_value(1); } catch (std::future_error& e) { std::cout << e.code().messa\u2026","width":"100%","version":"1.0","categories":["C++"],"author_url":"https://blog.hatena.ne.jp/faith_and_brave/","published":"2012-09-20 13:49:13","provider_url":"https://hatena.blog","type":"rich","blog_title":"Faith and Brave - C++\u3067\u904a\u307c\u3046","image_url":null,"blog_url":"https://faithandbrave.hateblo.jp/","url":"https://faithandbrave.hateblo.jp/entry/20120920/1348116553","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffaithandbrave.hateblo.jp%2Fentry%2F20120920%2F1348116553\" title=\" future_error\u306e\u8abf\u67fb - 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>","author_name":"faith_and_brave","provider_name":"Hatena Blog"}