{"author_name":"Windymelt","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.3qe.us%2Fentry%2F2023%2F10%2F03%2F161712\" title=\"Scala\u3067\u6587\u5b57\u5217\u304b\u3089\u6570\u5024\u3092\u5f97\u308b\u306b\u306f.toIntOption\u304c\u30aa\u30b9\u30b9\u30e1 - Lambda\u30ab\u30af\u30c6\u30eb\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","title":"Scala\u3067\u6587\u5b57\u5217\u304b\u3089\u6570\u5024\u3092\u5f97\u308b\u306b\u306f.toIntOption\u304c\u30aa\u30b9\u30b9\u30e1","published":"2023-10-03 16:17:12","blog_title":"Lambda\u30ab\u30af\u30c6\u30eb","categories":["\u6280\u8853","scala"],"version":"1.0","description":"Scala 2.13\u4ee5\u964d\u3067\u306f\u3001\u6587\u5b57\u5217\u578bString\u304b\u3089\u5404\u7a2e\u306e\u6570\u5024\u3092\u5f97\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u7528\u610f\u3055\u308c\u3066\u304a\u308a\u3001\u3053\u308c\u3092\u4f7f\u3046\u3053\u3068\u3067\u7c21\u5358\u306b\u6587\u5b57\u5217\u304b\u3089\u6570\u5024\u3092\u5f97\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3002parseInt\u3084toInt\u3068\u9055\u3063\u3066\u30a8\u30e9\u30fc\u3092\u8d77\u3053\u3055\u306a\u3044\u306e\u3067\u4fbf\u5229\u3002 //> using scala 2.13.12 val s = \"42\" s.toIntOption // => Some(42) s.toLongOption // => Some(42L) s.toShortOption // => Some(42) s.toByteOption // => Some(42) s.toDoubleOption /\u2026","provider_url":"https://hatena.blog","width":"100%","image_url":null,"author_url":"https://blog.hatena.ne.jp/Windymelt/","type":"rich","provider_name":"Hatena Blog","blog_url":"https://blog.3qe.us/","url":"https://blog.3qe.us/entry/2023/10/03/161712"}