{"id":4263,"date":"2025-05-31T11:42:53","date_gmt":"2025-06-05T04:32:52","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4263"},"modified":"2025-06-05T11:42:53","modified_gmt":"2025-06-05T04:32:52","slug":"%e8%a7%a3%e6%9e%90swift%e9%8c%af%e8%aa%a4%ef%bc%9a%e3%80%8cexpectedexpressioninlistofexpressions%e3%80%8d-5","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/%e8%a7%a3%e6%9e%90swift%e9%8c%af%e8%aa%a4%ef%bc%9a%e3%80%8cexpectedexpressioninlistofexpressions%e3%80%8d-5\/","title":{"rendered":"\u6df1\u5165\u89e3\u6790 Swift \u932f\u8aa4\uff1a\u300cExpected expression in list of expressions\u300d\u53ca\u5176\u89e3\u6c7a\u65b9\u6848"},"content":{"rendered":"

<\/p>\n

\u6df1\u5165\u89e3\u6790 Swift \u932f\u8aa4\uff1a\u300cExpected expression in list of expressions\u300d\u53ca\u5176\u89e3\u6c7a\u65b9\u6848<\/h1>\n

Swift \u662f\u4e00\u7a2e\u73fe\u4ee3\u5316\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u5176\u8a9e\u6cd5\u7c21\u55ae\u6613\u61c2\uff0c\u4f46\u5728\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u3002\u672c\u6587\u5c07\u5c08\u6ce8\u65bc\u4e00\u500b\u5e38\u898b\u7684\u932f\u8aa4\u8a0a\u606f\uff1a\u300cExpected expression in list of expressions\u300d\uff0c\u4e26\u63d0\u4f9b 2025 \u6700\u65b0\u8a9e\u6cd5\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u5e6b\u52a9\u60a8\u5feb\u901f\u89e3\u6c7a\u6b64\u554f\u984c\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u300cExpected expression in list of expressions\u300d\u932f\u8aa4\uff1f<\/h2>\n

\u300cExpected expression in list of expressions\u300d\u932f\u8aa4\u662f Swift \u7de8\u8b6f\u5668\u5728\u57f7\u884c\u7a0b\u5f0f\u6642\u767c\u51fa\u7684\u932f\u8aa4\u8a0a\u606f\uff0c\u901a\u5e38\u8868\u793a\u7de8\u8b6f\u5668\u5728\u8a55\u4f30\u4e00\u500b\u8868\u9054\u5f0f\u6642\u767c\u73fe\u4e0d\u7b26\u5408\u9810\u671f\u7684\u5167\u5bb9\u3002\u9019\u610f\u5473\u8457\u5728\u67d0\u500b\u5730\u65b9\uff0c\u7de8\u8b6f\u5668\u671f\u5f85\u770b\u5230\u4e00\u500b\u6709\u6548\u7684\u8868\u9054\u5f0f\uff0c\u4f46\u537b\u7121\u6cd5\u627e\u5230\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u6703\u51fa\u73fe\u300cExpected expression in list of expressions\u300d\u932f\u8aa4\uff1f<\/h2>\n

\u9019\u500b\u932f\u8aa4\u6700\u5e38\u898b\u7684\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n

1. **\u62fc\u5beb\u932f\u8aa4**\uff1a\u4f7f\u7528\u4e86\u4e0d\u5b58\u5728\u7684\u8b8a\u6578\u6216\u51fd\u6578\u540d\u7a31\u3002
\n2. **\u8a9e\u6cd5\u932f\u8aa4**\uff1a\u4f7f\u7528\u4e0d\u6b63\u78ba\u7684\u8a9e\u6cd5\u7d50\u69cb\uff0c\u4f8b\u5982\u7f3a\u5c11\u5fc5\u8981\u7684\u62ec\u865f\u6216\u5206\u865f\u3002
\n3. **\u4e0d\u5b8c\u6574\u7684\u8868\u9054\u5f0f**\uff1a\u5728\u9700\u8981\u8868\u9054\u5f0f\u7684\u4f4d\u7f6e\u537b\u63d0\u4f9b\u4e86\u4e0d\u5b8c\u6574\u6216\u7a7a\u7684\u5167\u5bb9\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u89f8\u767c\u9019\u500b\u932f\u8aa4\uff1a<\/p>\n

“`swift
\nlet numbers = [1, 2, 3, 4, 5]\nlet sum = numbers.reduce(0) { $0 + } \/\/ \u932f\u8aa4\uff1a\u7f3a\u5c11\u7b2c\u4e8c\u500b\u53c3\u6578
\n“`<\/p>\n

\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u7531\u65bc\u6211\u5011\u5728 `reduce` \u51fd\u6578\u4e2d\u7f3a\u5c11\u4e86\u7b2c\u4e8c\u500b\u53c3\u6578\uff0c\u7de8\u8b6f\u5668\u5c07\u6703\u5831\u544a\u300cExpected expression in list of expressions\u300d\u7684\u932f\u8aa4\u3002<\/p>\n

\u5982\u4f55\u89e3\u6c7a\u300cExpected expression in list of expressions\u300d\u932f\u8aa4\uff1f<\/h2>\n

\u8981\u89e3\u6c7a\u9019\u500b\u932f\u8aa4\uff0c\u60a8\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n

1. **\u6aa2\u67e5\u7a0b\u5f0f\u78bc**\uff1a\u4ed4\u7d30\u6aa2\u67e5\u5831\u932f\u884c\uff0c\u627e\u51fa\u62fc\u5beb\u6216\u8a9e\u6cd5\u4e0a\u7684\u932f\u8aa4\u3002
\n2. **\u4f7f\u7528 Xcode \u7684\u8a9e\u6cd5\u6aa2\u67e5\u5de5\u5177**\uff1aXcode \u6703\u5373\u6642\u6a19\u8a18\u932f\u8aa4\uff0c\u60a8\u53ef\u4ee5\u5229\u7528\u9019\u4e9b\u63d0\u793a\u4f86\u4fee\u6b63\u554f\u984c\u3002
\n3. **\u6dfb\u52a0\u5fc5\u8981\u7684\u8868\u9054\u5f0f**\uff1a\u78ba\u4fdd\u6bcf\u500b\u9700\u8981\u8868\u9054\u5f0f\u7684\u5730\u65b9\u90fd\u6709\u76f8\u61c9\u7684\u5167\u5bb9\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u4e0a\u8ff0\u793a\u4f8b\uff0c\u60a8\u61c9\u8a72\u63d0\u4f9b\u6b63\u78ba\u7684\u904b\u7b97\u5f0f\uff1a<\/p>\n

“`swift
\nlet sum = numbers.reduce(0) { 0 +<\/span>1 } \/\/ \u4fee\u6b63\u5f8c\u7684\u7a0b\u5f0f\u78bc
\n“`<\/p>\n

4. **\u53c3\u8003\u6587\u6a94**\uff1a\u67e5\u95b1 Swift \u5b98\u65b9\u6587\u6a94\u4ee5\u7372\u53d6\u6b63\u78ba\u7684\u8a9e\u6cd5\u7d50\u69cb\u3002<\/p>\n

\u5ef6\u4f38\u61c9\u7528<\/h2>\n

\u5728\u5be6\u969b\u958b\u767c\u4e2d\uff0c\u7406\u89e3\u548c\u89e3\u6c7a\u7de8\u8b6f\u932f\u8aa4\u4e0d\u50c5\u80fd\u5e6b\u52a9\u60a8\u63d0\u9ad8\u7de8\u78bc\u80fd\u529b\uff0c\u9084\u80fd\u8b93\u60a8\u66f4\u6df1\u5165\u7406\u89e3 Swift \u7684\u904b\u4f5c\u65b9\u5f0f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9032\u4e00\u6b65\u7684\u61c9\u7528\uff1a<\/p>\n

– **\u4f7f\u7528\u55ae\u5143\u6e2c\u8a66**\uff1a\u70ba\u4f60\u7684\u7a0b\u5f0f\u78bc\u7de8\u5beb\u55ae\u5143\u6e2c\u8a66\uff0c\u4ee5\u4fbf\u53ca\u65e9\u6355\u6349\u6f5b\u5728\u7684\u932f\u8aa4\u3002
\n– **\u64b0\u5beb\u6e05\u6670\u7684\u8a3b\u89e3**\uff1a\u5c0d\u65bc\u8907\u96dc\u7684\u7a0b\u5f0f\u78bc\uff0c\u9644\u4e0a\u8a3b\u89e3\u4ee5\u63d0\u9ad8\u53ef\u8b80\u6027\uff0c\u6e1b\u5c11\u932f\u8aa4\u3002<\/p>\n

\u7e3d\u7d50<\/h2>\n

\u300cExpected expression in list of expressions\u300d\u932f\u8aa4\u901a\u5e38\u6e90\u65bc\u62fc\u5beb\u6216\u8a9e\u6cd5\u932f\u8aa4\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u7a0b\u5f0f\u78bc\u3001\u4f7f\u7528\u5de5\u5177\u6aa2\u67e5\u8a9e\u6cd5\u4ee5\u53ca\u7406\u89e3 Swift \u7684\u7d50\u69cb\uff0c\u60a8\u53ef\u4ee5\u8fc5\u901f\u627e\u5230\u4e26\u89e3\u6c7a\u9019\u500b\u932f\u8aa4\uff0c\u5f9e\u800c\u63d0\u5347\u958b\u767c\u6548\u7387\u3002<\/p>\n

Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n

Q1: \u5982\u4f55\u907f\u514d\u300cExpected expression in list of expressions\u300d\u932f\u8aa4\uff1f<\/h3>\n

A: \u900f\u904e\u4ed4\u7d30\u6aa2\u67e5\u7a0b\u5f0f\u78bc\u3001\u4f7f\u7528 IDE \u7684\u8a9e\u6cd5\u6aa2\u67e5\u529f\u80fd\u53ca\u64b0\u5beb\u6e05\u6670\u7684\u7a0b\u5f0f\u78bc\u8a3b\u89e3\uff0c\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u6b64\u985e\u932f\u8aa4\u7684\u767c\u751f\u3002<\/p>\n

Q2: \u9019\u500b\u932f\u8aa4\u662f\u5426\u6703\u5f71\u97ff\u7a0b\u5f0f\u7684\u904b\u884c\uff1f<\/h3>\n

A: \u662f\u7684\uff0c\u9019\u500b\u932f\u8aa4\u6703\u5c0e\u81f4\u7a0b\u5f0f\u7121\u6cd5\u7de8\u8b6f\uff0c\u56e0\u6b64\u5fc5\u9808\u4fee\u6b63\u5f8c\u624d\u80fd\u57f7\u884c\u3002<\/p>\n

Q3: \u6709\u54ea\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u6211\u6aa2\u67e5 Swift \u7a0b\u5f0f\u78bc\u4e2d\u7684\u932f\u8aa4\uff1f<\/h3>\n

A: Xcode \u662f\u6700\u5e38\u7528\u7684\u958b\u767c\u74b0\u5883\uff0c\u5167\u5efa\u7684\u8a9e\u6cd5\u6aa2\u67e5\u548c\u81ea\u52d5\u5b8c\u6210\u529f\u80fd\u80fd\u5920\u5e6b\u52a9\u60a8\u53ca\u65e9\u767c\u73fe\u932f\u8aa4\u3002<\/p>\n

—<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6458\u8981\uff1a\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39Swift\u8a9e\u8a00\u4e2d\u7684\u300cExpectedExpressioninListofExpressions\u300d\u932f\u8aa4\uff0c\u4e26\u63d0\u4f9b\u89e3\u6c7a\u8a72\u932f\u8aa4\u7684\u65b9\u6cd5\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u66f4\u5feb\u901f\u5730\u89e3\u6c7a\u554f\u984c\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-4263","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\/pcFK27-16L","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4263","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=4263"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4263\/revisions"}],"predecessor-version":[{"id":4264,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4263\/revisions\/4264"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4263"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4263"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4263"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}