{"width":"100%","categories":["C++"],"author_name":"inamori","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F20100831%2Fp1\" title=\"\u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u6570\u5217 - inamori\u2019s diary\" 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":"inamori\u2019s diary","published":"2010-08-31 00:00:00","blog_url":"https://inamori.hateblo.jp/","title":"\u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u6570\u5217","author_url":"https://blog.hatena.ne.jp/inamori/","provider_url":"https://hatena.blog","image_url":null,"type":"rich","url":"https://inamori.hateblo.jp/entry/20100831/p1","description":"\u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u6570\u5217\u3092\u9069\u5f53\u306b\u4f5c\u308a\u307e\u3059\u3002 class cFib : public cIterable<int> { int a; int b; public: cFib() : a(1), b(1) { } bool exists_next() { int tmp = b; b += a; a = tmp; return true; } int value() const { return a; } }; shared_ptr<cIterable<int>> fib() { return shared_ptr<cIterable<int>>(new cFib()); } \u3053\u308c\u3067\u3001Project Eu\u2026","provider_name":"Hatena Blog","height":"190"}