{"blog_title":"Magnolia Tech","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.magnolia.tech%2Fentry%2F2022%2F10%2F16%2F103912\" title=\"Scala\u3067\u74b0\u5883\u5909\u6570\u3092\u53c2\u7167\u3059\u308b\u65b9\u6cd5 - Magnolia Tech\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/magnoliak/","width":"100%","author_name":"magnoliak","url":"https://blog.magnolia.tech/entry/2022/10/16/103912","height":"190","image_url":null,"categories":[],"title":"Scala\u3067\u74b0\u5883\u5909\u6570\u3092\u53c2\u7167\u3059\u308b\u65b9\u6cd5","description":"sys.env\u3092\u4f7f\u3046 sys.env\u3068\u3044\u3046\u95a2\u6570\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u3066\u3001\u5b9f\u614b\u306fSystem.getenv()\u3092Scala\u306eMap\u306e\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3067\u5305\u3093\u3060\u3082\u306e\u304c\u5f97\u3089\u308c\u307e\u3059\u3002immutable\u306a\u306e\u3067\u3001\u66f8\u304d\u63db\u3048\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002 \u5b58\u5728\u3057\u306a\u3044\u74b0\u5883\u5909\u6570\u3092\u53c2\u7167\u3068\u4f8b\u5916\u304c\u9001\u51fa\u3055\u308c\u307e\u3059\u306e\u3067\u3001\u53c2\u7167\u3059\u308b\u969b\u306fgetOrElse\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u5fc5\u305a\u4e0e\u3048\u3066\u304a\u304f\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002 \u77ed\u3044\u306e\u3067\u3001Scala 2.13\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u305d\u306e\u307e\u307e\u8cbc\u308a\u4ed8\u3051\u3066\u3057\u307e\u3044\u307e\u3059\u3002 def env: Map[String, String] = Map.from(System.getenv().asScala).withDefault { v => val \u2026","provider_name":"Hatena Blog","published":"2022-10-16 10:39:12","blog_url":"https://blog.magnolia.tech/","version":"1.0","type":"rich","provider_url":"https://hatena.blog"}