{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffaithandbrave.hateblo.jp%2Fentry%2F20081210%2F1228900391\" title=\" C++\u3067Maybe\u30e2\u30ca\u30c9\u3092\u8fd4\u3059lookup\u95a2\u6570\u3092\u4f5c\u3063\u3066\u307f\u305f - 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","image_url":null,"width":"100%","published":"2008-12-10 18:13:11","blog_url":"https://faithandbrave.hateblo.jp/","version":"1.0","url":"https://faithandbrave.hateblo.jp/entry/20081210/1228900391","title":" C++\u3067Maybe\u30e2\u30ca\u30c9\u3092\u8fd4\u3059lookup\u95a2\u6570\u3092\u4f5c\u3063\u3066\u307f\u305f","categories":["C++"],"provider_url":"https://hatena.blog","description":"\u30cd\u30bf\u5143\uff1aC++\u3067Maybe\u30e2\u30ca\u30c9 shand/maybe.hpp #ifndef SHAND_MAYBE_INCLUDE #define SHAND_MAYBE_INCLUDE #include <boost/variant.hpp> #include <boost/utility/result_of.hpp> #include <boost/bind.hpp> #include <algorithm> #include <utility> #include <vector> #include <ostream> namespace shand { class nothing {}; temp\u2026","author_url":"https://blog.hatena.ne.jp/faith_and_brave/","provider_name":"Hatena Blog","type":"rich","height":"190","blog_title":"Faith and Brave - C++\u3067\u904a\u307c\u3046"}