{"id":4185,"date":"2025-05-29T11:25:02","date_gmt":"2025-06-05T04:20:02","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4185"},"modified":"2025-06-05T11:25:02","modified_gmt":"2025-06-05T04:20:02","slug":"%e4%ba%86%e8%a7%a3swift%e4%b8%ad%e7%9a%84bracedblockofstatements%e8%88%87unusedclosure-3","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/%e4%ba%86%e8%a7%a3swift%e4%b8%ad%e7%9a%84bracedblockofstatements%e8%88%87unusedclosure-3\/","title":{"rendered":"\u3010\u6df1\u5165\u4e86\u89e3 Swift \u7684 Braced Block of Statements \u8207 \u5982\u4f55\u907f\u514d\u672a\u4f7f\u7528\u7684 Closure \u932f\u8aa4\u3011"},"content":{"rendered":"<p>&#8220;`html<br \/>\n<meta name=\"keywords\" content=\"Swift, Braced block of statements, Unused closure, Swift \u7a0b\u5f0f\u6559\u5b78, Swift \u8a9e\u6cd5\u6700\u4f73\u5be6\u8e10\"><\/p>\n<h1>\u6df1\u5165\u4e86\u89e3 Swift \u7684 Braced Block of Statements \u8207 \u5982\u4f55\u907f\u514d\u672a\u4f7f\u7528\u7684 Closure \u932f\u8aa4<\/h1>\n<p>Swift \u662f\u4e00\u7a2e\u65b0\u8208\u4e14\u53d7\u6b61\u8fce\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u5177\u6709\u7c21\u6f54\u6613\u61c2\u7684\u8a9e\u6cd5\u548c\u5f37\u5927\u7684\u529f\u80fd\u3002\u5176\u4e2d\u4e00\u500b\u91cd\u8981\u7684\u529f\u80fd\u5c31\u662f <strong>Braced Block of Statements<\/strong>\uff0c\u5b83\u8b93\u958b\u767c\u8005\u80fd\u5920\u5728\u7a0b\u5f0f\u78bc\u4e2d\u5b9a\u7fa9\u4e00\u500b\u5340\u584a\uff0c\u4e26\u5728\u8a72\u5340\u584a\u4e2d\u57f7\u884c\u4e00\u7cfb\u5217\u7684\u52d5\u4f5c\u3002<\/p>\n<h2>\u4ec0\u9ebc\u662f Braced Block of Statements\uff1f<\/h2>\n<p>Braced Block of Statements \u662f\u4e00\u7a2e\u7a0b\u5f0f\u78bc\u7d50\u69cb\uff0c\u53ef\u4ee5\u5c07\u4e00\u7cfb\u5217\u7684\u52d5\u4f5c\u5c01\u88dd\u5728\u4e00\u500b\u5340\u584a\u4e2d\uff0c\u800c\u4e0d\u9700\u8981\u6bcf\u6b21\u90fd\u91cd\u65b0\u5b9a\u7fa9\u4e00\u500b\u51fd\u5f0f\u3002\u9019\u4e0d\u50c5\u4f7f\u7a0b\u5f0f\u78bc\u66f4\u52a0\u7c21\u6f54\uff0c\u9084\u63d0\u5347\u4e86\u53ef\u8b80\u6027\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre class=\"brush: swift\">\n{\n    \/\/ \u5728\u9019\u88e1\u5b9a\u7fa9\u4e00\u7cfb\u5217\u7684\u52d5\u4f5c\n}\n<\/pre>\n<h2>Braced Block \u7684\u61c9\u7528\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Braced Block \u7684\u7c21\u55ae\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 Swift \u4e2d\u4f7f\u7528\u9019\u7a2e\u7d50\u69cb\uff1a<\/p>\n<pre class=\"brush: swift\">\nfunc exampleFunction() {\n    \/\/ Braced Block of Statements\n    {\n        let number = 10\n        let square = number * number\n        print(\"The square of \\(number) is \\(square).\")\n    }\n}\nexampleFunction()\n<\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u51fd\u5f0f <code>exampleFunction<\/code>\uff0c\u4e26\u5728\u5176\u4e2d\u4f7f\u7528\u4e86 Braced Block \u4f86\u5c01\u88dd\u4e00\u7cfb\u5217\u7684\u52d5\u4f5c\uff0c\u9019\u6a23\u4f7f\u5f97\u7a0b\u5f0f\u78bc\u7d50\u69cb\u66f4\u6e05\u6670\u3002<\/p>\n<h2>\u907f\u514d\u672a\u4f7f\u7528\u7684 Closure \u932f\u8aa4<\/h2>\n<p>\u5118\u7ba1 Braced Block of Statements \u975e\u5e38\u6709\u7528\uff0c\u4f46\u5b83\u4e5f\u6709\u4e00\u500b\u6f5b\u5728\u7684\u7f3a\u9ede\uff0c\u5373\u53ef\u80fd\u6703\u88ab\u8aa4\u8a8d\u70ba\u662f\u4e00\u500b\u672a\u4f7f\u7528\u7684 Closure\uff08\u533f\u540d\u51fd\u5f0f\uff09\u3002\u7531\u65bc Closure \u7684\u8a9e\u6cd5\u540c\u6a23\u4ee5\u5927\u62ec\u865f\u958b\u982d\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u958b\u767c\u8005\u6df7\u6dc6\u3002<\/p>\n<p>\u70ba\u4e86\u907f\u514d\u9019\u7a2e\u60c5\u6cc1\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728 Braced Block \u4e4b\u524d\u52a0\u4e0a\u6e05\u6670\u7684\u8a3b\u89e3\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5f0f\u78bc\u7684\u53ef\u8b80\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<pre class=\"brush: swift\">\n\/\/ Braced Block of Statements\n{\n    \/\/ \u5728\u9019\u88e1\u5b9a\u7fa9\u4e00\u7cfb\u5217\u7684\u52d5\u4f5c\n}\n<\/pre>\n<h2>\u6700\u4f73\u5be6\u8e10\u8207\u5c0f\u6280\u5de7<\/h2>\n<ul>\n<li>\u59cb\u7d42\u70ba Braced Block \u6dfb\u52a0\u8a3b\u89e3\uff0c\u4ee5\u63d0\u9ad8\u53ef\u8b80\u6027\u3002<\/li>\n<li>\u907f\u514d\u904e\u5ea6\u4f7f\u7528 Braced Block\uff0c\u78ba\u4fdd\u7a0b\u5f0f\u78bc\u7d50\u69cb\u6e05\u6670\u3002<\/li>\n<li>\u5728\u9069\u7576\u7684\u60c5\u6cc1\u4e0b\uff0c\u8003\u616e\u4f7f\u7528\u51fd\u5f0f\u4f86\u9032\u4e00\u6b65\u5c01\u88dd\u7a0b\u5f0f\u78bc\u908f\u8f2f\u3002<\/li>\n<\/ul>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0cBraced Block of Statements \u662f Swift \u4e2d\u4e00\u7a2e\u975e\u5e38\u5be6\u7528\u7684\u7a0b\u5f0f\u78bc\u7d50\u69cb\uff0c\u80fd\u6709\u6548\u5730\u5c07\u4e00\u7cfb\u5217\u7684\u52d5\u4f5c\u5c01\u88dd\u5728\u5340\u584a\u4e2d\uff0c\u63d0\u5347\u7a0b\u5f0f\u78bc\u7684\u7d50\u69cb\u6e05\u6670\u5ea6\u3002\u4e0d\u904e\uff0c\u958b\u767c\u8005\u9700\u8981\u5c0f\u5fc3\u4f7f\u7528\uff0c\u4ee5\u907f\u514d\u6f5b\u5728\u7684\u6df7\u6dc6\u8207\u932f\u8aa4\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<h3>Q1: Braced Block \u548c Closure \u6709\u4ec0\u9ebc\u4e0d\u540c\uff1f<\/h3>\n<p>A1: Braced Block \u662f\u4e00\u7a2e\u7a0b\u5f0f\u78bc\u7d50\u69cb\uff0c\u7528\u65bc\u7d44\u7e54\u548c\u57f7\u884c\u4e00\u7cfb\u5217\u52d5\u4f5c\uff0c\u800c Closure \u662f\u4e00\u7a2e\u533f\u540d\u51fd\u5f0f\uff0c\u53ef\u4ee5\u88ab\u50b3\u905e\u548c\u4f7f\u7528\u3002\u5169\u8005\u90fd\u4f7f\u7528\u5927\u62ec\u865f\uff0c\u4f46\u7528\u9014\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<h3>Q2: \u5982\u4f55\u78ba\u4fdd\u6211\u7684 Braced Block \u4e0d\u6703\u5c0e\u81f4\u932f\u8aa4\uff1f<\/h3>\n<p>A2: \u53ef\u4ee5\u5728 Braced Block \u524d\u6dfb\u52a0\u6e05\u6670\u7684\u8a3b\u89e3\uff0c\u4ee5\u5e6b\u52a9\u81ea\u5df1\u548c\u5176\u4ed6\u958b\u767c\u8005\u7406\u89e3\u5176\u7528\u9014\uff0c\u4e26\u907f\u514d\u8aa4\u8a8d\u70ba\u672a\u4f7f\u7528\u7684 Closure\u3002<\/p>\n<h3>Q3: \u5728\u4ec0\u9ebc\u60c5\u6cc1\u4e0b\u6211\u61c9\u8a72\u4f7f\u7528 Braced Block\uff1f<\/h3>\n<p>A3: \u7576\u9700\u8981\u5728\u7a0b\u5f0f\u78bc\u4e2d\u57f7\u884c\u4e00\u7cfb\u5217\u76f8\u95dc\u64cd\u4f5c\u6642\uff0c\u4f7f\u7528 Braced Block \u662f\u500b\u4e0d\u932f\u7684\u9078\u64c7\u3002\u78ba\u4fdd\u9019\u4e9b\u64cd\u4f5c\u4e4b\u9593\u6709\u908f\u8f2f\u95dc\u806f\uff0c\u4e26\u80fd\u63d0\u9ad8\u7a0b\u5f0f\u78bc\u7684\u53ef\u8b80\u6027\u3002<\/p>\n<p>&#8220;`<br \/>\n&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39Swift\u4e2dBracedBlockofStatements\u8207UnusedClosure\u7684\u529f\u80fd\uff0c\u4e26\u8a73\u7d30\u89e3\u91cb\u5b83\u5011\u7684\u7528\u9014\uff0c\u8b93\u8b80\u8005\u80fd\u5920\u66f4\u52a0\u4e86\u89e3Swift\u7684\u8a9e\u6cd5\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[174,5],"tags":[173,9],"class_list":["post-4185","post","type-post","status-publish","format-standard","hentry","category-ios","category-swift","tag-ios","tag-swift"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-15v","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=4185"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4185\/revisions"}],"predecessor-version":[{"id":4186,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4185\/revisions\/4186"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}