{"blog_title":"Smile Engineering Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsmile-jsp.hateblo.jp%2Fentry%2F2020%2F04%2F20%2F170000\" title=\"Rust\u3067\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u8907\u6570\u8aad\u307f\u8fbc\u3080 - Smile Engineering Blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","categories":["Rust"],"published":"2020-04-20 17:00:00","width":"100%","provider_url":"https://hatena.blog","description":"Rust\u3067\u306e\u6a19\u6e96\u7684\u30fb\u7c21\u6613\u7684\u306a\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u5b9f\u88c5\u65b9\u6cd5\u3068\u554f\u984c\u70b9 \u958b\u767a\u3057\u305f\u30bd\u30d5\u30c8\u306e\u5b9f\u884c\u74b0\u5883\u304c\u5909\u308f\u308b\u305f\u3073\u306b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30fb\u30b3\u30f3\u30d1\u30a4\u30eb\u3092\u3057\u306a\u304a\u3059\u3053\u3068\u306e\u306a\u3044\u3088\u3046\u3001\u8a2d\u5b9a\u60c5\u5831\u3092\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3068\u306f\u5225\u30d5\u30a1\u30a4\u30eb\u306b\u3057\u305f\u308a\u3001\u5b9f\u884c\u6642\u306eOS\u306e\u74b0\u5883\u5909\u6570\u304b\u3089\u53d6\u5f97\u3057\u305f\u308a\u3059\u308b\u8a2d\u8a08\u306f\u5e38\u5957\u624b\u6bb5\u3067\u3059\u3002 \u4f8b\u3048\u3070\u3001Rust\u306e\u6a19\u6e96\u30af\u30ec\u30fc\u30c8\u300cstd::env\u300d\u3092\u4f7f\u3046\u3068\u3001\u300clet var = env::var(\"TEST\").unwrap();\u300d\u306a\u3069\u3068\u3059\u308b\u3060\u3051\u3067\u3001\u5f53\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3057\u305f\u3068\u304d\u306b\u74b0\u5883\u5909\u6570\u300cTEST\u300d\u306b\u5024\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308c\u3070\u3001\u5909\u6570\u300cvar\u300d\u306b\u74b0\u5883\u5909\u6570\u300cTEST\u300d\u306e\u8a2d\u5b9a\u5024\u304c\u5165\u308a\u307e\u3059\u3002 \u307e\u305f\u3001\u30af\u30ec\u30fc\u30c8\u300cdotenv\u300d\u3092\u4f7f\u3063\u3066\u3001\u5b9f\u884c\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u540c\u3058\u2026","height":"190","author_name":"jspnet","blog_url":"https://smile-jsp.hateblo.jp/","author_url":"https://blog.hatena.ne.jp/jspnet/","url":"https://smile-jsp.hateblo.jp/entry/2020/04/20/170000","image_url":null,"title":"Rust\u3067\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u8907\u6570\u8aad\u307f\u8fbc\u3080","version":"1.0","type":"rich"}