{"url":"https://tokizuoh.hatenablog.com/entry/2026/05/18/161212","author_url":"https://blog.hatena.ne.jp/tokizuoh/","author_name":"tokizuoh","width":"100%","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","published":"2026-05-18 16:12:12","type":"rich","categories":["Swift"],"description":"\u30bf\u30a4\u30c8\u30eb\u304c\u9577\u3044\u3002\u975e\u76f4\u611f\u7684\u306a\u3053\u3068\u304c\u3042\u3063\u305f\u306e\u3067\u30e1\u30e2\u3002 \u52d5\u4f5c\u74b0\u5883 $swift --version swift-driver version: 1.127.14.1 Apple Swift version 6.2.3 (swiftlang-6.2.3.3.21 clang-1700.6.3.2) Target: arm64-apple-macosx15.0 \u30b3\u30fc\u30c9 import Foundation enum MyError: Error { case withValue(Int) case noValue case withString(String) } let e1 = MyError.wit\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftokizuoh.hatenablog.com%2Fentry%2F2026%2F05%2F18%2F161212\" title=\"Swift\u306eError\u578b\u306eenum\u3092NSError\u306b\u30ad\u30e3\u30b9\u30c8\u3057\u305f\u3068\u304d\u306bcode\u306b\u632f\u3089\u308c\u308b\u5024\u306f\u5b9a\u7fa9\u9806\u3067\u306f\u306a\u3044 - \u30ab\u30eb\u30dc\u30ca\u30fc\u30e9\u8857\u9053\" 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","version":"1.0","blog_url":"https://tokizuoh.hatenablog.com/","title":"Swift\u306eError\u578b\u306eenum\u3092NSError\u306b\u30ad\u30e3\u30b9\u30c8\u3057\u305f\u3068\u304d\u306bcode\u306b\u632f\u3089\u308c\u308b\u5024\u306f\u5b9a\u7fa9\u9806\u3067\u306f\u306a\u3044","image_url":null,"blog_title":"\u30ab\u30eb\u30dc\u30ca\u30fc\u30e9\u8857\u9053"}