{"categories":[],"provider_name":"Hatena Blog","image_url":null,"height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcookies.hatenablog.jp%2Fentry%2F2025%2F07%2F20%2F123136\" title=\"\u6700\u8fd1\u306e\u30b3\u30fc\u30c9: YAMLDuplicateKeyChecker - cookies.txt\u3000\u3000\u3000\u3000\u3000\u3000.scr\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u6700\u8fd1\u306e\u30b3\u30fc\u30c9: YAMLDuplicateKeyChecker","width":"100%","blog_url":"https://cookies.hatenablog.jp/","provider_url":"https://hatena.blog","url":"https://cookies.hatenablog.jp/entry/2025/07/20/123136","version":"1.0","type":"rich","published":"2025-07-20 12:31:36","author_name":"cookie-s","description":"\u6211\u3005\u306f\u65e5\u3005\u3001YAML\u3092\u66f8\u304f\u3053\u3068\u3092\u5f37\u3044\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u5148\u9031\u3082\u66f8\u304d\u307e\u3057\u305f\u3002\u6765\u9031\u3082\u66f8\u304f\u3067\u3057\u3087\u3046\u3002Rustacean\u306fTOML\u3092\u66f8\u3044\u3066\u3044\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3067\u3059*1*2\u3002\u6700\u8fd1\u3001\u304e\u3087\u3046\u3080\u3067\u3001\u3044\u3044\u611f\u3058\u306e\u30b3\u30fc\u30c9\u3092\u66f8\u304d\u307e\u3057\u305f\u3002\u60aa\u3044YAML\u3092\u691c\u67fb\u3057\u307e\u3059\u3002\u3060\u3044\u305f\u3044\u3053\u3093\u306a\u611f\u3058\u3067\u3059: package main import ( \"fmt\" \"os\" \"gopkg.in/yaml.v3\" ) type DuplicateKeyChecker struct{} func (c *DuplicateKeyChecker) UnmarshalYAML(value *yaml.Node) error { switch value.Ki\u2026","author_url":"https://blog.hatena.ne.jp/cookie-s/","blog_title":"cookies.txt\u3000\u3000\u3000\u3000\u3000\u3000.scr"}