{"image_url":null,"title":"generic \u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u9045\u5ef6\u69cb\u7bc9\u306b boost::optional \u304c\u4f7f\u3048\u308b\u3093\u3058\u3083\u306a\u3044\u3067\u3057\u3087\u301c\u304b","width":"100%","categories":["C++","Boost"],"author_url":"https://blog.hatena.ne.jp/Cryolite/","url":"https://blog.cryolite.net/entry/20060909/p1","published":"2006-09-09 00:00:00","type":"rich","author_name":"Cryolite","version":"1.0","height":"190","description":"boost::optional *1\u3063\u3066\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e Motivation \u3067\u623b\u308a\u5024\u306e\u578b\u3068\u3057\u3066\u306e\u4f7f\u7528\u304c\u6319\u3052\u3089\u308c\u3066\u3044\u308b\u3051\u308c\u3069\uff0c generic \u306a\u6587\u8108\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u9045\u5ef6\u69cb\u7bc9\u2015\u2015\u3064\u307e\u308a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u69cb\u7bc9\u3059\u308b\u30b9\u30c8\u30ec\u30fc\u30b8\u306f\u78ba\u4fdd\u3057\u3066\u304a\u304f\u3051\u308c\u3069\uff0c\u305d\u306e\u521d\u671f\u5316\u306f\u9045\u5ef6\u3057\u305f\u3044\u5834\u5408\uff08\u69cb\u7bc9\u3057\u306a\u3044\u307e\u307e\u7d42\u308f\u308b\u53ef\u80fd\u6027\u3082\u542b\u3080\uff09\u2015\u2015\u3092\u884c\u3046\u305f\u3081\u306e\u30e9\u30c3\u30d1\u3068\u3057\u3066\u3082\u5341\u5206\u6a5f\u80fd\u3059\u308b\u3088\u306b\u3083\u301c\uff0c\u3068\u304b\u601d\u3063\u3066\u3044\u305f\u3089\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e Example \u306e\u3068\u3053\u308d\u306b\u307b\u307c\u305d\u306e\u307e\u3093\u307e\u306e\u4f8b\uff08Optional local variables, Optional data members\uff09\u304c\u3042\u308b\u3058\u3083\u3093\uff0e\u305a\u304c\u304c\u304c\u304c\u30fc\u3093\uff0e Motivation \u306e\u3068\u3053\u308d\u3057\u304b\u8aad\u3093\u3067\u306a\u2026","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.cryolite.net%2Fentry%2F20060909%2Fp1\" title=\"generic \u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u9045\u5ef6\u69cb\u7bc9\u306b boost::optional \u304c\u4f7f\u3048\u308b\u3093\u3058\u3083\u306a\u3044\u3067\u3057\u3087\u301c\u304b - Cry&#39;s Blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://blog.cryolite.net/","blog_title":"Cry's Blog","provider_url":"https://hatena.blog"}