{"id":402,"date":"2022-11-24T13:33:12","date_gmt":"2022-11-24T05:33:12","guid":{"rendered":"https:\/\/iichen.cn\/?p=402"},"modified":"2022-11-24T13:33:12","modified_gmt":"2022-11-24T05:33:12","slug":"kotlin-inline-%e5%92%8cnonline-%e5%92%8ccrossinline","status":"publish","type":"post","link":"https:\/\/iichen.cn\/?p=402","title":{"rendered":"Kotlin-inline\u3001nonline\u3001crossinline"},"content":{"rendered":"<h5>1. inline<\/h5>\n<ul>\n<li>java\u4e2d\u6709\u4e00\u4e2a\u7f16\u8bd1\u65f6\u5e38\u91cf\u7684\u6982\u5ff5\uff0c\u5373\u7f16\u8bd1\u9636\u6bb5\u5c31\u4f1a\u786e\u5b9a\u53d8\u91cf\u7684\u503c\uff0c\u5e76\u76f4\u63a5\u5c06\u786e\u5b9a\u7684\u503c- \u66ff\u6362\u5230\u8c03\u7528\u7684\u5730\u65b9\u3002<\/li>\n<li>kotlin\u4e2d\u4f7f\u7528 <code>const val<\/code> \u7528\u4e8e\u5b9a\u4e49\u7f16\u8bd1\u65f6\u5e38\u91cf<\/li>\n<li>\u51fd\u6570\u76f8\u5e94\u7684\u5219\u4f7f\u7528 inline\uff0c\u5e76\u4e14\u8fd8\u4f1a\u5185\u8054\u5f53\u524d\u51fd\u6570\u4f53\u5185\u7684\u51fd\u6570\u3002<\/li>\n<\/ul>\n<pre><code class=\"line-numbers\">fun A(B: ()-&gt;Unit) {\n    B()\n    print(\"A\")\n}\n\/\/ \u8c03\u7528A\u51fd\u6570\u7684\u65f6\u5019\uff0cJava \u7528\u4e00\u4e2a JVM \u5bf9\u8c61\u6765\u4f5c\u4e3a\u51fd\u6570\u7c7b\u578b\u7684\u53d8\u91cf\u7684\u5b9e\u9645\u8f7d\u4f53\uff0c\u8ba9\u8fd9\u4e2a\u5bf9\u8c61\u53bb\u6267\u884c\u5b9e\u9645\u7684\u4ee3\u7801\uff0c\u5373\u6bcf\u6b21\u6267\u884c\u90fd\u4f1a\u521b\u5efa\u4e34\u65f6\u5bf9\u8c61\u53bb\u6267\u884clamba\u51fd\u6570\u3002\u5c24\u5176for\u5faa\u73af\u6216\u5237\u65b0\u7b49\u573a\u666f \u9020\u6210\u6027\u80fd\u5f71\u54cd\nfun inline A(B: ()-&gt;Unit) {\n    B()\n    print(\"A\")\n}\n\/\/ \u8c03\u7528A\u51fd\u6570\u7684\u65f6\u5019\u4f1a\u5185\u8054\u5185\u90e8\u51fd\u6570\uff0c\u8c03\u7528\nfun main() {\n    A(() {\n        print(\"B\")\n    })\n}\n\/\/ \u5b9e\u9645\nfun main() {\n    print(\"B\")\n    print(\"A\")\n}\n<\/code><\/pre>\n<blockquote><p>\n  \u4e00\u822c\u9891\u7e41\u4f7f\u7528\u9ad8\u9636\u51fd\u6570\u9700\u8981\u4f7f\u7528inline\n<\/p><\/blockquote>\n<h5>2. noline<\/h5>\n<blockquote><p>\n  \u9700\u8981\u914d\u5408inline\u4f7f\u7528\uff0c\u5f53\u4e00\u4e2a\u51fd\u6570\u4f7f\u7528inline\u6807\u8bb0\u540e\uff0c\u5bf9\u4e8e\u5176\u51fd\u6570\u53c2\u6570\u9700\u8981\u6307\u5b9a\u4e0d\u9700\u8981\u5185\u8054\u7684\u65f6\u5019\uff0c\u9700\u8981\u5bf9\u8fd9\u4e2a\u51fd\u6570\u53c2\u6570\u52a0\u4e0anoline\n<\/p><\/blockquote>\n<pre><code class=\"line-numbers\">inline fun A(B:() -&gt; unit) {\n    return B() \/\/ \u7f16\u8bd1\u5668\u62a5\u9519\n}\ninline fun A(noline B:() -&gt; unit){\n    return B()\n}\n\/\/ \u5f53\u51fd\u6570\u53c2\u6570\u9700\u8981\u5f53\u4f5c\u5bf9\u8c61\u4f7f\u7528 \u6bd4\u5982\u8fd4\u56de\u503c\u7b49\uff0c\u9700\u8981\u52a0\u4e0anoline,\u8fd9\u4e2a\u53ef\u4ee5\u6839\u636e\u7f16\u8f91\u5668\u63d0\u793a\u6765\u52a0\u4e0a\n<\/code><\/pre>\n<h5>3. crossinline<\/h5>\n<blockquote><p>\n  \u9700\u8981\u914d\u5408inline\u4f7f\u7528 \u4f7f\u7528\u65b9\u5f0f\u548cnoline\u7c7b\u4f3c\n<\/p><\/blockquote>\n<pre><code class=\"line-numbers\">\/\/1. \u573a\u666f\u4e00\nfun main() {\n    hello {\n        print(\"\u51fd\u6570\u53c2\u6570lambda\")\n        return\n    }\n}\n\/\/\u5b9e\u9645 return\u7ed3\u675f\u7684\u662f\u5916\u5c42 \u8c03\u7528\u8005\u51fd\u6570\nfun main() {\n    print(\"hello\")\n    print(\"\u51fd\u6570\u53c2\u6570lambda\")\n    return\n}\n\n\/\/2. \u573a\u666f\u4e8c\ninline fun hello(B:() -&gt; Unit){\n    print(\"hello\")\n    \/\/ \u95f4\u63a5\u8c03\u7528\u4e86\u51fd\u6570\u53c2\u6570  \u76f4\u63a5\u62a5\u9519 \u4e0d\u5141\u8bb8inline \u95f4\u63a5\u8c03\u7528\u3002 \u9700\u8981\u6307\u5b9acrossinline\n    runOnUiThread{\n        B()\n    }\n}\ninline fun hello(crossinline B:() -&gt; Unit){\n    print(\"hello\")\n    \/\/ \u6307\u5b9acrossinline\u540e\u4e0d\u4f1a\u62a5\u9519\uff0c\u4f46\u4e0d\u5141\u8bb8\u8c03\u7528 return\uff0c\u8fd9\u56de\u5bfc\u81f4\u4e0d\u53ef\u9884\u671f\u7684\u7ed3\u679c\n    runOnUiThread{\n        B()\n    }\n}\n\/\/\u5b9e\u9645 return\u7ed3\u675f\u7684\u5c31\u65e0\u6cd5\u6309\u7167\u9884\u671f\u6267\u884c\uff0c\u6240\u4ee5\u7f16\u8f91\u5668\u76f4\u63a5\u62a5\u9519\u3002\u95f4\u63a5\u8c03\u7528  lamdba\u4e0d\u5141\u8bb8\u4f7f\u7528return\nfun main() {\n    hello {\n        print(\"\u51fd\u6570\u53c2\u6570lambda\")\n        return  \/\/ \u76f4\u63a5\u62a5\u9519\n    }\n}\n<\/code><\/pre>\n<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/juejin.cn\/post\/6869954460634841101\" title=\"\u6398\u91d1\u5730\u5740\">\u6398\u91d1\u5730\u5740<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. inline java\u4e2d\u6709\u4e00\u4e2a\u7f16\u8bd1\u65f6\u5e38\u91cf\u7684\u6982\u5ff5\uff0c\u5373\u7f16\u8bd1\u9636\u6bb5\u5c31\u4f1a\u786e\u5b9a\u53d8\u91cf\u7684\u503c\uff0c\u5e76\u76f4\u63a5\u5c06\u786e\u5b9a\u7684\u503c- \u66ff\u6362\u5230\u8c03 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,8],"tags":[],"class_list":["post-402","post","type-post","status-publish","format-standard","hentry","category-android","category-8"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kotlin-inline\u3001nonline\u3001crossinline - IIchen<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/iichen.cn\/?p=402\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kotlin-inline\u3001nonline\u3001crossinline - IIchen\" \/>\n<meta property=\"og:description\" content=\"1. inline java\u4e2d\u6709\u4e00\u4e2a\u7f16\u8bd1\u65f6\u5e38\u91cf\u7684\u6982\u5ff5\uff0c\u5373\u7f16\u8bd1\u9636\u6bb5\u5c31\u4f1a\u786e\u5b9a\u53d8\u91cf\u7684\u503c\uff0c\u5e76\u76f4\u63a5\u5c06\u786e\u5b9a\u7684\u503c- \u66ff\u6362\u5230\u8c03 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/iichen.cn\/?p=402\" \/>\n<meta property=\"og:site_name\" content=\"IIchen\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-24T05:33:12+00:00\" \/>\n<meta name=\"author\" content=\"iichen\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"iichen\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" 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