{"author_name":"inamori","url":"https://inamori.hateblo.jp/entry/20100823/p1","description":"Python\u306eifilter\u3092\u4f5c\u308a\u307e\u3059\u3002\u53d9\u8ff0\u95a2\u6570\u3092\u9069\u7528\u3057\u3066true\u306b\u306a\u308b\u8981\u7d20\u3060\u3051\u51fa\u3057\u307e\u3059\u3002 \u4ee5\u4e0b\u306f\u30013\u306e\u500d\u6570\u3060\u3051\u51fa\u529b\u3059\u308b\u30b3\u30fc\u30c9\u3067\u3059\u3002 template<typename T, typename U> class cFilter : public cIterable<T> { U pred; shared_ptr<cIterable<T>> gen; public: cFilter(U p, shared_ptr<cIterable<T>> g) : pred(p), gen(g) { } bool exists_next() { while(gen->exists_next()) { if(p\u2026","provider_url":"https://hatena.blog","blog_url":"https://inamori.hateblo.jp/","categories":["C++"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F20100823%2Fp1\" title=\"filter - 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","image_url":null,"height":"190","version":"1.0","width":"100%","author_url":"https://blog.hatena.ne.jp/inamori/","title":"filter","type":"rich","published":"2010-08-23 00:00:00","provider_name":"Hatena Blog"}