{"id":16370,"date":"2017-03-01T19:55:52","date_gmt":"2017-03-01T11:55:52","guid":{"rendered":"http:\/\/ityet.com\/?p=16370"},"modified":"2017-03-01T19:55:52","modified_gmt":"2017-03-01T11:55:52","slug":"swift-4%e8%bf%9b%e5%85%a5%e6%9c%80%e5%90%8e%e9%98%b6%e6%ae%b5%ef%bc%8cabi%e7%a8%b3%e5%ae%9a%e6%80%a7%e8%a2%ab%e6%8e%a8%e8%bf%9f","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=16370","title":{"rendered":"Swift 4\u8fdb\u5165\u6700\u540e\u9636\u6bb5\uff0cABI\u7a33\u5b9a\u6027\u88ab\u63a8\u8fdf"},"content":{"rendered":"<p>\t\t\t\t<a href=\"http:\/\/news.cnblogs.com\/n\/topic_465.htm\" title=\"swift\"><img decoding=\"async\" src=\"http:\/\/images0.cnblogs.com\/news_topic\/swift.png\" alt=\"Swift 4\u8fdb\u5165\u6700\u540e\u9636\u6bb5\uff0cABI\u7a33\u5b9a\u6027\u88ab\u63a8\u8fdf\"\/><\/a><\/p>\n<p>\u3000\u3000\u82f1\u6587\u539f\u6587\uff1a<a href=\"https:\/\/www.infoq.com\/news\/2017\/02\/swift-4-release-process\">Swift 4 Enters Final Stage, Defers ABI Stability<\/a><\/p>\n<p>\u3000\u3000Apple \u516c\u53f8<a href=\"https:\/\/swift.org\/blog\/swift-4-0-release-process\/\">\u900f\u9732<\/a>\u4e86 Swift 4 \u7684\u53d1\u5e03\u8fdb\u7a0b\uff0cSwift 4 \u5c06\u4f1a\u5728 2017 \u5e74 4 \u6708\u53d1\u5e03\u3002\u6b64\u6b21\u53d1\u5e03\u7684\u7126\u70b9\u5728\u4e8e Swift 4 \u63d0\u4f9b\u4e86\u5bf9\u4e8e\u6838\u5fc3\u8bed\u8a00\u548c\u6807\u51c6\u5e93\u7684\u91cd\u5927\u6539\u8fdb\uff0c\u540c\u65f6\u4e5f\u5b9e\u73b0\u4e86\u5bf9\u4e4b\u524d\u6e90\u4ee3\u7801\u7684\u517c\u5bb9\u6027\u3002Ted Kremenek \u662f Apple \u516c\u53f8 Swift \u56e2\u961f\u7684\u65b0\u8d1f\u8d23\u4eba\uff0c\u4ed6\u53d6\u4ee3\u7684\u662f\u66fe\u7ecf\u7684\u9879\u76ee\u8d1f\u8d23\u4eba Chris Lattner\uff0c\u4ed6\u89e3\u91ca\u8bf4\uff0cABI\uff08\u5e94\u7528\u7a0b\u5e8f\u4e8c\u8fdb\u5236\u63a5\u53e3\uff09\u517c\u5bb9\u6027\u7684\u5b9e\u73b0\u4e00\u5f00\u59cb\u662f\u5728<a href=\"https:\/\/www.infoq.com\/news\/2016\/10\/swift-4-roadmap\">\u8bbe\u8ba1\u51c6\u5219<\/a>\u4e4b\u4e2d\u7684\uff0c\u73b0\u5982\u4eca\u5c06\u8981\u63a8\u8fdf\u53d1\u5e03\u3002<\/p>\n<p>\u3000\u3000Swift 4 \u505a\u4e86\u8bb8\u591a\u91cd\u5927\u6539\u53d8\uff0c\u56e0\u6b64 Swift 4 \u4e0e Swift 3 \u5e76\u6ca1\u6709\u5341\u5206\u826f\u597d\u7684\u4ee3\u7801\u517c\u5bb9\u6027\u3002\u7136\u800c\uff0cSwift \u8bed\u8a00\u4e00\u7ecf\u63a8\u51fa\uff0c\u5b83\u7684\u7f16\u8bd1\u5668\u5c31\u652f\u6301\u517c\u5bb9\u6027\u6a21\u5f0f\uff0c\u4f7f\u7528<code>-swift-version-3<\/code>\u7f16\u8bd1\u9009\u9879\u5c31\u80fd\u7f16\u8bd1\u5927\u591a\u6570 Swift 3 \u7684\u6e90\u7801\uff0c\u5728 Swift 4 \u4e2d\u8fd8\u4fee\u590d\u4e86\u9519\u8bef\u4ee3\u7801\u4e5f\u80fd\u5728\u65e7\u7f16\u8bd1\u5668\u4e2d\u7f16\u8bd1\u901a\u8fc7\u7684\u6f0f\u6d1e\u3002<code>-swift-version-4<\/code>\u7f16\u8bd1\u9009\u9879\u5c06\u4f1a\u652f\u6301\u6240\u6709\u5728 Swift 4 \u8bbe\u8ba1\u51c6\u5219\u4e2d\u63d0\u5230\u7684\u65b0\u7279\u6027\u3002\u91cd\u8981\u7684\u662f\uff0cSwift \u7684\u7f16\u8bd1\u5668\u5c06\u4f1a\u5728\u521a\u521a\u63d0\u5230\u7684\u7f16\u8bd1\u9009\u9879\u4e2d\u652f\u6301\u4ee5\u4e0b\u7279\u6027\uff0c\u5b83\u80fd\u591f\u5c06\u6846\u67b6\u548c\u5df2\u7ecf\u7f16\u8bd1\u597d\u7684\u6a21\u5757\u94fe\u63a5\u5728\u4e00\u8d77\uff0c\u53ea\u8981\u5b83\u4eec\u662f\u4f7f\u7528\u540c\u6837\u7684\u7f16\u8bd1\u5668\u9009\u9879\u7f16\u8bd1\u51fa\u6765\u7684\u3002<\/p>\n<p>\u3000\u3000Kremenek \u8fd8<a href=\"https:\/\/lists.swift.org\/pipermail\/swift-evolution\/Week-of-Mon-20170213\/032116.html\">\u63d0\u5230<\/a>\uff0c\u5728\u76f8\u5173\u539f\u7406\u88ab\u6539\u6b63\u4e4b\u524d\uff0cSwift \u63a8\u8fdf\u4e86\u5bf9 ABI \u7a33\u5b9a\u6027\u95ee\u9898\u7684\u89e3\u51b3\uff0c\u8fd9\u6837\u505a\u80fd\u591f\u907f\u514d ABI \u4e0d\u7a33\u5b9a\u7684\u98ce\u9669\u3002<\/p>\n<p>\u3000\u3000Swift \u7684\u521b\u59cb\u4eba Chris Lattner \u662f\u8fd9\u6837<a href=\"https:\/\/lists.swift.org\/pipermail\/swift-evolution\/Week-of-Mon%E2%80%9320170213\/032145.html\">\u8bc4\u8bba<\/a>Kremenek \u7684\u58f0\u660e\u7684\uff1a<\/p>\n<blockquote>\n<p>\u770b\u5230\u4e86\u4e4b\u524d\u63d0\u51fa\u7684\u5e74\u8ba1\u5212\uff0c\u6211\u5c31\u8ba4\u4e3a\u8fd9\u662f\u4e00\u4e2a\u5f88\u52a1\u5b9e\u7684\u51b3\u5b9a\u3002ABI \u7684\u7a33\u5b9a\u6027\u5bf9\u4e8e Apple \u516c\u53f8\u6bd4\u5bf9\u4e8e\u5927\u591a\u6570\u7684\u5f00\u53d1\u8005\u6765\u8bf4\u66f4\u91cd\u8981\uff0c\u56e0\u6b64\u6211\u5f88\u9ad8\u5174\u770b\u5230\u4f60\u628a\u793e\u533a\u7684\u9700\u6c42\uff08\u6539\u8fdb\u7f16\u8bd1\u65f6\u95f4\u3001\u7f16\u8bd1\u5668\u7a33\u5b9a\u6027\u7b49\u7b49\uff09\u653e\u5230\u4e86\u7b2c\u4e00\u4f4d\uff0c\u5bf9\u4e8e Swift \u6765\u8bf4\uff0c\u4fdd\u8bc1\u957f\u4e45\u6210\u529f\u7684\u5173\u952e\u5c31\u662f\u53bb\u505a\u6b63\u786e\u7684\u4e8b\u60c5\u3002<\/p>\n<\/blockquote>\n<p>\u3000\u3000\u63a8\u8fdf\u4e86\u6539\u8fdb ABI 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