{"image_url":null,"title":"\u629c\u7c8b\u7ffb\u8a33 PEP 343: The \"with\" Statement","provider_name":"Hatena Blog","author_name":"nishiohirokazu","author_url":"https://blog.hatena.ne.jp/nishiohirokazu/","blog_url":"https://nishiohirokazu.hatenadiary.org/","type":"rich","width":"100%","published":"2010-07-30 00:19:54","url":"https://nishiohirokazu.hatenadiary.org/entry/20100730/1280503194","provider_url":"https://hatena.blog","description":"\u6982\u8981 \u3053\u306ePEP\u306f\u3001try/finally\u6587\u306e\u6a19\u6e96\u7684\u306a\u4f7f\u3044\u65b9\u3092\u5207\u308a\u51fa\u3059\u3053\u3068\u304c\u53ef\u80fd\u306a\u3088\u3046\u306b\u3001Python\u8a00\u8a9e\u306b\u65b0\u3057\u3044\u6587 \"with\" \u3092\u8ffd\u52a0\u3059\u308b\u3002\u3053\u306ePEP\u306e\u4e2d\u3067\u3001\u300c\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30de\u30cd\u30fc\u30b8\u30e3\u300d\u306f\u30e1\u30bd\u30c3\u30c9 __enter__() \u304a\u3088\u3073 __exit__() \u3092\u63d0\u4f9b\u3059\u308b\u3002\u3053\u308c\u306fwith\u6587\u306b\u5165\u308b\u969b\u3068\u51fa\u308b\u969b\u306b\u547c\u3070\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3042\u308b\u3002 \u5c0e\u5165 PEP 340\u3068\u305d\u306e\u4ee3\u66ff\u6848\u306b\u95a2\u3059\u308b\u305f\u304f\u3055\u3093\u306e\u8b70\u8ad6\u3092\u7d4c\u3066\u3001\u79c1\u306f PEP 340 \u3092\u64a4\u56de\u3059\u308b\u3053\u3068\u306b\u6c7a\u3081\u305f\u3002\u305d\u3057\u3066\u82e5\u5e72\u306e\u5909\u66f4\u3092\u52a0\u3048\u305f\u3082\u306e\u3092 PEP 310 \u3067\u63d0\u6848\u3057\u305f\u3002\u3055\u3089\u306a\u308b\u8b70\u8ad6\u306e\u672b\u3001throw()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u505c\u6b62\u4e2d\u306e\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u306e\u4e2d\u3067\u4f8b\u5916\u3092\u6295\u3052\u308b\u3053\u3068\u306e\u51fa\u6765\u308b\u6a5f\u80fd\u3068\u3001\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnishiohirokazu.hatenadiary.org%2Fentry%2F20100730%2F1280503194\" title=\"\u629c\u7c8b\u7ffb\u8a33 PEP 343: The &quot;with&quot; Statement - \u897f\u5c3e\u6cf0\u548c\u306e\u306f\u3066\u306a\u30c0\u30a4\u30a2\u30ea\u30fc\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","height":"190","blog_title":"\u897f\u5c3e\u6cf0\u548c\u306e\u306f\u3066\u306a\u30c0\u30a4\u30a2\u30ea\u30fc","categories":[]}