{"provider_url":"https://hatena.blog","image_url":null,"version":"1.0","author_name":"inamori","title":"map","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F20100826%2Fp1\" title=\"map - 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","author_url":"https://blog.hatena.ne.jp/inamori/","categories":["C++"],"url":"https://inamori.hateblo.jp/entry/20100826/p1","published":"2010-08-26 00:00:00","width":"100%","provider_name":"Hatena Blog","blog_url":"https://inamori.hateblo.jp/","description":"\u30ea\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u5199\u50cf\u3092\u65bd\u3057\u3066\u5225\u306e\u30ea\u30b9\u30c8\u3092\u4f5c\u308a\u307e\u3059\u3002 template<typename T, typename U, typename V> class cMap : public cIterable<T> { U func; shared_ptr<cIterable<V>> gen; public: cMap(U f, shared_ptr<cIterable<V>> g) : func(f), gen(g) { } bool exists_next() { return gen->exists_next(); } T value() const { return func(gen->valu\u2026","type":"rich","height":"190"}