{"blog_url":"https://www.shigemk2.com/","categories":["Go"],"published":"2017-08-27 20:54:52","height":"190","author_name":"shigemk2","type":"rich","provider_name":"Hatena Blog","url":"https://www.shigemk2.com/entry/2017/08/27/ErrHelp","blog_title":"by shigemk2","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F2017%2F08%2F27%2FErrHelp\" title=\"ErrHelp - by shigemk2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"ErrHelp is the error returned if the -help or -h flag is invoked but no such flag is defined. var ErrHelp = errors.New(\"flag: help requested\") flag\u3092\u8a2d\u5b9a\u3059\u308b\u30a2\u30ec\u306e\u3001\u30d8\u30eb\u30d7\u306e\u30d5\u30e9\u30b0\u3092\u767a\u52d5\u3057\u305f\u3044\u304c\u305d\u3093\u306a\u30d5\u30e9\u30b0\u304c\u306a\u3044\u3068\u304d\u306berror\u3092\u8fd4\u3059 https://golang.org/pkg/flag/","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/shigemk2/","width":"100%","image_url":null,"version":"1.0","title":"ErrHelp"}