{"id":294,"date":"2018-02-14T17:55:11","date_gmt":"2018-02-14T08:55:11","guid":{"rendered":"http:\/\/windabaft.co.jp\/blog_ceo\/?p=294"},"modified":"2018-02-18T13:37:43","modified_gmt":"2018-02-18T04:37:43","slug":"stringdescribing-subject-%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6%e3%80%80swift4","status":"publish","type":"post","link":"https:\/\/windabaft.co.jp\/blog_ceo\/?p=294","title":{"rendered":"String(describing: Subject) \u306b\u3064\u3044\u3066\u3000Swift4"},"content":{"rendered":"<p>Swift3\u3000\u21d2\u3000Swift4 \u3067\u540c\u3058\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3082print()\u306b\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u578b\u3092\u653e\u308a\u8fbc\u3080\u3068\u4e0b\u8a18\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u307f\u305f\u3044\u3001swift3\u3067\u306f\u81ea\u52d5\u89e3\u91c8\u3057\u3066\u304f\u308c\u3066\u3044\u305f\u3088\u3046\u306a\u3002\u3002\u2190\u672a\u78ba\u8a8d<\/p>\n<p>&#8220;<span style=\"color: #ff0000;\">expression implicitly coerced from &#8216;string &#8216; to any<\/span>&#8221;<\/p>\n<p>\u3053\u308c\u306f\u30a2\u30f3\u30e9\u30c3\u30d7\u3059\u308c\u3070\u3060\u3044\u305f\u3044\u304c\u89e3\u6c7a\u3059\u308b<\/p>\n<p>\u30a2\u30f3\u30e9\u30c3\u30d7\u306f\u30c7\u30fc\u30bf\u578b\u306e\u6700\u5f8c\u306b\u300c!\u300d\u3092\u3064\u3051\u308b\u3000\u21d2\u3000 (String!)<\/p>\n<p>&nbsp;<\/p>\n<p>\u6b21\u306bString\u306einit(describing instance: Subject)\u306b\u3064\u3044\u3066<\/p>\n<p>&#8220;<span style=\"color: #ff0000;\">string interpolation produces a debug description for an optional value<\/span>&#8221;<\/p>\n<p>\u3053\u308c\u306fString\u306e\u30a4\u30cb\u30b7\u30e3\u30e9\u30a4\u30b6\u306b\u3064\u3044\u3066\u306e\u30a8\u30e9\u30fc<\/p>\n<p>String(describing:)\u3068\u66f8\u304d\u76f4\u305b\u3070\u89e3\u6d88\u3059\u308b\u3002\u3061\u306a\u307f\u306b\u610f\u5473\u306f<br \/>\nString(describing:)\u306b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6e21\u3059\u3053\u3068\u3067\u3001\u305d\u306e<span style=\"color: #ff0000;\">\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u60c5\u5831\u3092\u6587\u5b57\u5217\u3067\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/span>\u3001<br \/>\n\u3068\u3044\u3046\u3082\u306e\u3002<\/p>\n<p>\u3053\u308c\u3082print\u6587\u306b\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u578b\u3067\u5165\u308c\u3066\u3057\u307e\u3063\u305f\u969b\u306b\u3088\u304f\u3067\u308b\u30a8\u30e9\u30fc<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Swift3\u3000\u21d2\u3000Swift4 \u3067\u540c\u3058\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3082print()\u306b\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u578b\u3092\u653e\u308a\u8fbc\u3080\u3068\u4e0b\u8a18\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u307f\u305f\u3044\u3001swift3\u3067\u306f\u81ea\u52d5\u89e3\u91c8\u3057\u3066\u304f\u308c\u3066\u3044\u305f\u3088\u3046\u306a\u3002\u3002\u2190\u672a\u78ba\u8a8d &#8220;expressio &hellip; <a href=\"https:\/\/windabaft.co.jp\/blog_ceo\/?p=294\" class=\"more-link\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"screen-reader-text\">String(describing: Subject) \u306b\u3064\u3044\u3066\u3000Swift4<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[22],"tags":[],"class_list":["post-294","post","type-post","status-publish","format-standard","hentry","category-swift"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=\/wp\/v2\/posts\/294","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=294"}],"version-history":[{"count":3,"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=\/wp\/v2\/posts\/294\/revisions"}],"predecessor-version":[{"id":304,"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=\/wp\/v2\/posts\/294\/revisions\/304"}],"wp:attachment":[{"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=294"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}