{"id":7933,"date":"2023-01-28T13:53:43","date_gmt":"2023-01-28T05:53:43","guid":{"rendered":"https:\/\/egonlin.com\/?p=7933"},"modified":"2023-01-28T13:53:49","modified_gmt":"2023-01-28T05:53:49","slug":"20-%e5%87%bd%e6%95%b0%e5%9f%ba%e7%a1%80","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=7933","title":{"rendered":"20 \u51fd\u6570\u57fa\u7840"},"content":{"rendered":"

\u51fd\u6570\u57fa\u7840<\/h1>\n

\u4e00 \u51fd\u6570\u4ecb\u7ecd<\/h2>\n

1.1 \u4ec0\u4e48\u662f\u51fd\u6570<\/h3>\n

\u51fd\u6570\u5c31\u662f\u76db\u653e\u4e00\u7ec4\u4ee3\u7801\u5757\u7684\u201d\u5bb9\u5668\u201d\uff0c\u628a\u5b9e\u73b0\u67d0\u4e2a\u7279\u5b9a\u529f\u80fd\u4e00\u7ec4\u4ee3\u7801\u5757\u7ec4\u7ec7\u5230\u4e00\u4e2a\u51fd\u6570\u5185\uff0c\u76f8\u5f53\u4e8e\u5236\u4f5c\u4e86\u4e00\u4e2a\u5de5\u5177\uff0c\u53ef\u4ee5\u91cd\u590d\u8c03\u7528<\/p>\n

1.2 \u4e3a\u4f55\u8981\u7528\u51fd\u6570<\/h3>\n

\u4e0d\u540c\u4e8ePython\uff0c\u5728go\u8bed\u8a00\u4e2d\uff0c\u975e\u58f0\u660e\u8bed\u53e5\u53ea\u80fd\u5728\u51fd\u6570\u5185\uff0c\u6bd4\u5982fmt.Println("\u554ap\u554a")\u5199\u5230\u51fd\u6570\u5916\u5219\u4f1a\u62a5\u8bed\u6cd5\u9519\u8bef\u3002<\/p>\n

syntax error: non-declaration statement outside function body<\/code><\/pre>\n
\u4e5f\u5c31\u662f\u8bf4go\u5f3a\u5236\u6211\u4eec\u628a\u529f\u80fd\u4ee3\u7801\u7ec4\u7ec7\u5230\u51fd\u6570\u5185\uff0c\u800c\u4f7f\u7528\u51fd\u6570\u81f3\u5c11\u89e3\u51b3\u4e86\u4ee5\u4e0b3\u79cd\u95ee\u9898<\/p>\n
\uff081\uff09\u4ee3\u7801\u7684\u7ec4\u7ec7\u7ed3\u6784\u4e0d\u6e05\u6670\uff0c\u53ef\u8bfb\u6027\u5dee<\/p>\n
\uff082\uff09\u9047\u5230\u91cd\u590d\u7684\u529f\u80fd\u53ea\u80fd\u91cd\u590d\u7f16\u5199\u5b9e\u73b0\u4ee3\u7801\uff0c\u4ee3\u7801\u5197\u4f59<\/p>\n
\uff083\uff09\u529f\u80fd\u9700\u8981\u6269\u5c55\u65f6\uff0c\u9700\u8981\u627e\u51fa\u6240\u6709\u5b9e\u73b0\u8be5\u529f\u80fd\u7684\u5730\u65b9\u4fee\u6539\u4e4b\uff0c\u65e0\u6cd5\u7edf\u4e00\u7ba1\u7406\u4e14\u7ef4\u62a4\u96be\u5ea6\u6781\u5927 <\/p>\n
1.3 \u51fd\u6570\u5206\u7c7b<\/h3>\n
#1\u3001\u5185\u7f6e\u51fd\u6570\n\u4e3a\u4e86\u65b9\u4fbf\u6211\u4eec\u7684\u5f00\u53d1\uff0c\u9488\u5bf9\u4e00\u4e9b\u7b80\u5355\u7684\u529f\u80fd\uff0cgo\u5df2\u7ecf\u4e3a\u6211\u4eec\u5b9a\u4e49\u597d\u4e86\u7684\u51fd\u6570\u5373\u5185\u7f6e\u51fd\u6570\u3002\u5bf9\u4e8e\u5185\u7f6e\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u62ff\u6765\u5c31\u7528\u800c\u65e0\u9700\u4e8b\u5148\u5b9a\u4e49\uff0c\u4f8b\u5982len\u3001cap\u3001append\u3001make\u7b49\n\n#2\u3001\u81ea\u5b9a\u4e49\u51fd\u6570\n\u5f88\u660e\u663e\u5185\u7f6e\u51fd\u6570\u6240\u80fd\u63d0\u4f9b\u7684\u529f\u80fd\u662f\u6709\u9650\u7684\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u81ea\u5df1\u6839\u636e\u9700\u6c42\uff0c\u4e8b\u5148\u5b9a\u5236\u597d\u6211\u4eec\u81ea\u5df1\u7684\u51fd\u6570\u6765\u5b9e\u73b0\u67d0\u79cd\u529f\u80fd\uff0c\u4ee5\u540e\uff0c\u5728\u9047\u5230\u5e94\u7528\u573a\u666f\u65f6\uff0c\u8c03\u7528\u81ea\u5b9a\u4e49\u7684\u51fd\u6570\u5373\u53ef\u3002\n\u6b64\u5916\uff0c\u6211\u4eec\u65e9\u5df2\u77e5\u6653\uff0cgo\u7a0b\u5e8f\u4e2d\u5fc5\u987b\u81ea\u5b9a\u4e49\u4e00\u4e2amain\u51fd\u6570\uff0cmain\u51fd\u6570\u662f\u6574\u4e2a\u7a0b\u5e8f\u7684\u5165\u53e3<\/code><\/pre>\n
Go\u8bed\u8a00\u4e2d\u8fd8\u652f\u6301\u533f\u540d\u51fd\u6570\u548c\u95ed\u5305\uff0c\u5e76\u4e14\u51fd\u6570\u5728Go\u8bed\u8a00\u4e2d\u5c5e\u4e8e\u201c\u4e00\u7b49\u516c\u6c11\u201d\u3002<\/p>\n
\u4e8c \u5b9a\u4e49\u4e0e\u8c03\u7528<\/h2>\n
1.1 \u5b9a\u4e49<\/h3>\n
\u8bed\u6cd5<\/p>\n
func \u51fd\u6570\u540d(\u53c2\u65701 \u7c7b\u578b,\u53c2\u65702 \u7c7b\u578b,...)(\u8fd4\u56de\u53c2\u65701 \u7c7b\u578b,\u8fd4\u56de\u53c2\u65702 \u7c7b\u578b,...){\n    \u51fd\u6570\u4f53\n}\n\n\u89e3\u91ca\uff1a\n\n- 1\u3001\u51fd\u6570\u540d\uff1a\u51fd\u6570\u540d\u8981\u80fd\u53cd\u6620\u5176\u610f\u4e49\uff0c\u547d\u540d\u89c4\u8303\u540c\u53d8\u91cf\u540d\uff0c\u540c\u4e00\u4e2a\u5305\u5185\u4e0d\u80fd\u91cd\u590d\n- 2\u3001\u53c2\u6570\u4e0e\u8fd4\u56de\u503c\u90fd\u662f\u53ef\u9009\u7684\n  - 2.1 \u53c2\u6570\u7531\u53c2\u6570\u540d\u548c\u7c7b\u578b\u7ec4\u6210\uff0c\u53ef\u4ee5\u6709\u591a\u4e2a\uff0c\u7528\u9017\u53f7\u5206\u9694\u5f00\u5373\u53ef\n  - 2.2 \u8fd4\u56de\u503c\u7531\u53c2\u6570\u540d\u548c\u7c7b\u578b\u7ec4\u6210\uff0c\u53ef\u4ee5\u53ea\u5199\u8fd4\u56de\u503c\u7684\u7c7b\u578b\uff0c\u4e5f\u53ef\u4ee5\u6709\u591a\u4e2a\uff0c\u4f46\u5728\u5b9a\u4e49\u51fd\u6570\u65f6\uff0c\u5982\u679c\u6709\u591a\u4e2a\u8fd4\u56de\u503c\uff0c\u5219\u5fc5\u987b\u7528\u9017\u53f7\u5206\u9694\u5f00\u5e76\u4e14\u7528()\u5305\u88f9\n- 3\u3001\u51fd\u6570\u4f53\uff1a\u5177\u4f53\u7684\u529f\u80fd\u5b9e\u73b0<\/code><\/pre>\n
\u5b9a\u4e49\u51fd\u6570\u7684\u4e09\u79cd\u5f62\u5f0f<\/p>\n
1\u3001\u65e0\u53c2<\/p>\n
func test() {\n    fmt.Println("\u8001\u59b9\u771f\u767d")\n}<\/code><\/pre>\n
2\u3001\u6709\u53c2<\/p>\n
\/\/ \u4f8b1\nfunc add(x int, y int) {\n    fmt.Println(x + y)\n}\n\n\/\/ \u4f8b2\nfunc add(x int,y int) int{\n    return x + y\n}<\/code><\/pre>\n
3\u3001\u7a7a\u51fd\u6570<\/p>\n
\/\/ \u53ef\u4ee5\u58f0\u660e\u53c2\u6570\u4f46\u4e0d\u80fd\u58f0\u660e\u8fd4\u56de\u503c\uff0c\u51fd\u6570\u4f53\u4e3a\u7a7a\u5373\u53ef\nfunc sayHi(name string) {\n}<\/code><\/pre>\n
\u6ce8\u610f\uff1a\u5728\u67e5\u770b\u6e90\u7801\u65f6\uff0c\u6211\u4eec\u5076\u5c14\u4f1a\u9047\u5230\u4e0d\u4ec5\u6ca1\u6709\u51fd\u6570\u4f53\u3001\u751a\u81f3\u8fde\u82b1\u62ec\u53f7\u90fd\u6ca1\u6709\u7684\u51fd\u6570\u58f0\u660e\uff0c\u8fd9\u8868\u793a\u8be5\u51fd\u6570\u4e0d\u662f\u4ee5Go\u5b9e\u73b0\u7684\uff0c\u5982\u4e0b<\/p>\n
package math\n\nfunc Sin(x float64) float \/\/ \u91c7\u7528\u6c47\u7f16\u8bed\u5b9e\u73b0<\/code><\/pre>\n
1.2 \u8c03\u7528<\/h3>\n
\u8c03\u7528\u51fd\u6570\u8bed\u6cd5\u5982\u4e0b<\/p>\n
\u51fd\u6570\u540d(\u503c1,\u503c2,\u503c3,...)<\/code><\/pre>\n
\u56e0\u4e3a\u5728go\u4e2d\u975e\u58f0\u660e\u8bed\u53e5\u5fc5\u987b\u5728\u51fd\u6570\u5185\uff0c\u6240\u4ee5\u51fd\u6570\u8c03\u7528\u8fd9\u79cd\u975e\u58f0\u660e\u8bed\u53e5\u5fc5\u987b\u5728\u67d0\u4e00\u51fd\u6570\u5185\uff0c\u5177\u4f53\u6765\u8bf4\uff0c\u8c03\u7528\u51fd\u6570\u4e5f\u6709\u4e09\u79cd\u5f62\u5f0f<\/p>\n
1\u3001\u8bed\u53e5\u5f62\u5f0f\uff1atest()<\/p>\n
\/\/ \u5b9a\u4e49\u51fd\u6570\nfunc test() {\n    fmt.Println("\u8001\u59b9\u771f\u767d")\n}\n\n\/\/ \u8c03\u7528\u51fd\u6570\nfunc main()  {\n    test()  \n}<\/code><\/pre>\n
2\u3001\u8868\u8fbe\u5f0f\u5f62\u5f0f\uff1a3*add(1,2)\uff0c\u672c\u8d28\u662f\u5728\u5229\u7528\u51fd\u6570\u7684\u8fd4\u56de\u503c<\/p>\n
\/\/ \u5b9a\u4e49\u51fd\u6570\nfunc add(x int, y int) int {\n    return x + y\n}\n\n\/\/ \u8c03\u7528\u51fd\u6570\nfunc main()  {\n    res := 3 * add(1, 2)\n    fmt.Println(res) \n}<\/code><\/pre>\n
3\u3001\u5f53\u505a\u53c2\u6570\u4f20\u7ed9\u53e6\u5916\u4e00\u4e2a\u51fd\u6570\uff0c\u672c\u8d28\u4e5f\u662f\u5728\u5229\u7528\u51fd\u6570\u7684\u8fd4\u56de\u503c<\/p>\n
\/\/ \u5b9a\u4e49\u51fd\u6570\nfunc add(x int, y int) int {\n    return x + y\n}\n\n\/\/ \u8c03\u7528\u51fd\u6570\nfunc main()  {\n    res := 3 * add(1, add(2,3))\n    fmt.Println(res)\n}<\/code><\/pre>\n
\u5f3a\u8c03\uff1a\u5728\u8c03\u7528\u51fd\u6570\u65f6\uff0c\u5c0f\u62ec\u53f7\u6362\u884c\u9700\u5728\u672b\u5c3e\u52a0\u9017\u53f7<\/p>\n
\u4e0e\u5927\u62ec\u53f7{}\u4e00\u6837\uff0c\u8c03\u7528\u51fd\u6570\u7684\u5c0f\u62ec\u5f27()\u4e5f\u53ef\u4ee5\u53e6\u8d77\u4e00\u884c\u7f29\u8fdb\uff0c\u4f46\u5fc5\u987b\u5728\u672b\u5c3e\u663e\u5f0f\u52a0\u9017\u53f7\uff0c\u8fd9\u662fGo\u7f16\u8bd1\u5668\u7684\u4e00\u4e2a\u7279\u6027,\u7528\u4e8e\u9632\u6b62\u7f16\u8bd1\u5668\u5728\u884c\u5c3e\u81ea\u52a8\u63d2\u5165\u5206\u53f7\u800c\u5bfc\u81f4\u7684\u7f16\u8bd1\u9519\u8bef<\/p>\n
package main\n\nimport "fmt"\n\nfunc main() {\n    var x, y = 1, 2\n\n    \/\/ \u9519\u8bef\u5199\u6cd5\n    fmt.Println(x,\n        y\n    )\n    \/\/ \u6539\u8fdb\uff1a\n    fmt.Println(x,\n        y, \/\/ \u9ed8\u8ba4\u52a0\u9017\u53f7\n    )      \/\/ \u5c0f\u62ec\u5f27\u53e6\u8d77\u4e00\u884c\u7f29\u8fdb\uff0c\u548c\u5927\u62ec\u5f27\u7684\u98ce\u683c\u4fdd\u6301\u4e00\u81f4\n}<\/code><\/pre>\n
\u4e09 \u53c2\u6570<\/h2>\n
\u53c2\u6570\u5206\u4e3a\u5f62\u53c2\u4e0e\u5b9e\u53c2\uff0c\u5b9e\u53c2\u6307\u7684\u662f\u8c03\u7528\u51fd\u6570\u65f6\u4f20\u5165\u7684\u503c\uff08\u76f8\u5f53\u4e8e\u53d8\u91cf\u503c\uff09\uff0c\u5f62\u53c2\u6307\u7684\u662f\u5b9a\u4e49\u51fd\u6570\u662f\u6307\u5b9a\u53c2\u6570\uff08\u76f8\u5f53\u4e8e\u53d8\u91cf\u540d\uff09\uff0c\u8c03\u7528\u51fd\u6570\u65f6\uff0c\u4f1a\u5c06\u5b9e\u53c2\u503c\u8d4b\u503c\u7ed9\u5f62\u53c2<\/p>\n
\u5f3a\u8c03\uff1a<\/p>\n
1\u3001\u6bcf\u4e00\u6b21\u51fd\u6570\u8c03\u7528\u90fd\u5fc5\u987b\u6309\u7167\u58f0\u660e\u987a\u5e8f\u4e3a\u6240\u6709\u5f62\u53c2\u6570\u63d0\u4f9b\u5b9e\u53c2\uff08\u53c2\u6570\u503c\uff09\u3002<\/p>\n
2\u3001\u5728\u51fd\u6570\u8c03\u7528\u65f6\uff0cGo\u8bed\u8a00\u6ca1\u6709\u9ed8\u8ba4\u53c2\u6570\u503c\uff0c\u4e5f\u6ca1\u6709\u4efb\u4f55\u65b9\u6cd5\u53ef\u4ee5\u901a\u8fc7\u53c2\u6570\u540d\u6307\u5b9a\u5f62\u53c2\uff0c\u56e0\u6b64\u5f62\u53c2\u548c\u8fd4\u56de\u503c\u7684\u53d8\u91cf\u540d\u5bf9\u4e8e\u51fd\u6570\u8c03\u7528\u8005\u800c\u8a00\u6ca1\u6709\u610f\u4e49\u3002<\/p>\n
3.1 \u7c7b\u578b\u7b80\u5199<\/h3>\n
\u5f62\u53c2\u4e2d\u82e5\u76f8\u90bb\u53d8\u91cf\u7684\u7c7b\u578b\u76f8\u540c\uff0c\u5219\u53ef\u4ee5\u7701\u7565\u7c7b\u578b<\/p>\n
func add(x,y int) int{\n    return x + y\n}<\/code><\/pre>\n
3.2 \u53ef\u53d8\u957f\u53c2\u6570<\/h3>\n
\u53ef\u53d8\u957f\u6307\u7684\u5c31\u662f\u8c03\u7528\u51fd\u6570\u65f6\uff0c\u4f20\u5165\u7684\u5b9e\u53c2\u503c\u4e2a\u6570\u4e0d\u56fa\u5b9a\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5f62\u53c2\u540dor\u5176\u7c7b\u578b\u524d\u52a0\u2026\uff0c\u8be5\u5f62\u53c2\u5c31\u53ef\u4ee5\u7528\u6765\u63a5\u6536\u6ea2\u51fa\u7684\u5b9e\u53c2\u503c\uff0c\u5e76\u628a\u5b83\u4eec\u5b58\u6210\u4e00\u4e2a\u5207\u7247\uff0c\u79f0\u4e4b\u4e3a\u53ef\u53d8\u957f\u53c2\u6570\uff0c\u672c\u8d28\u4e0a\uff0c\u51fd\u6570\u7684\u53ef\u53d8\u53c2\u6570\u662f\u901a\u8fc7\u5207\u7247\u6765\u5b9e\u73b0\u7684\u3002<\/p>\n
\u4f8b<\/p>\n
func add(x ...int) int {\n    fmt.Println(x)  \/\/ x\u662f\u4e00\u4e2a\u5207\u7247\n    sum := 0\n    for _, v := range x {\n        sum += v\n    }\n    return sum\n}<\/code><\/pre>\n
\u8c03\u7528<\/p>\n
func main() {\n    res1 := add(1, 2, 3)\n    res2 := add(1, 2, 3, 4, 5)\n    res3 := add(1, 2, 3, 4, 5, 6)\n    fmt.Println(res1, res2, res3)  \/\/ 6 15 21\n\n}<\/code><\/pre>\n
\u6ce8\u610f\uff1a\u56fa\u5b9a\u53c2\u6570\u642d\u914d\u53ef\u53d8\u53c2\u6570\u4f7f\u7528\u65f6\uff0c\u53ef\u53d8\u53c2\u6570\u8981\u653e\u5728\u56fa\u5b9a\u53c2\u6570\u7684\u540e\u9762<\/p>\n
func add(x int,y ...int) int {\n    fmt.Println(x,y)\n    sum := 0\n    for _, v := range y {\n        sum += v\n    }\n    return sum\n}<\/code><\/pre>\n
\u56db \u8fd4\u56de\u503c<\/h2>\n
\u8fd4\u56de\u503c\u662f\u51fd\u6570\u7684\u8fd0\u884c\u7ed3\u679c\uff0c\u51fd\u6570\u4f53\u4e00\u65e6\u6267\u884c\u5230return\u5c31\u4f1a\u7acb\u5373\u7ed3\u675f\u5e76\u4e14\u8fd4\u56de\u503c<\/p>\n
\u5f3a\u8c03\uff1a<\/p>\n
\u5982\u679c\u4e00\u4e2a\u51fd\u6570\u5728\u58f0\u660e\u65f6\uff0c\u5305\u542b\u8fd4\u56de\u503c\u5217\u8868\uff0c\u8be5\u51fd\u6570\u5fc5\u987b\u4ee5 return\u8bed\u53e5\u7ed3\u5c3e\uff0c\u9664\u975e\u51fd\u6570\u660e\u663e\u65e0\u6cd5\u8fd0\u884c\u5230\u7ed3\u5c3e\u5904\u3002\u4f8b\u5982\u51fd\u6570\u5728\u7ed3\u5c3e\u65f6\u8c03\u7528\u4e86panic\u5f02\u5e38\u6216\u51fd\u6570\u4e2d\u5b58\u5728\u65e0\u9650\u5faa\u73af\u3002<\/p>\n
4.1 \u591a\u4e2a\u8fd4\u56de\u503c<\/h3>\n
Go\u8bed\u8a00\u4e2d\u51fd\u6570\u652f\u6301\u591a\u8fd4\u56de\u503c\uff0c\u51fd\u6570\u5982\u679c\u9700\u8981\u6709\u591a\u4e2a\u8fd4\u56de\u503c\uff0c\u6211\u4eec\u5728\u5b9a\u4e49\u51fd\u6570\u7684\u8fd4\u56de\u503c\u65f6\uff0c\u5fc5\u987b\u7528()<\/code>\u5c06\u6240\u6709\u8fd4\u56de\u503c\u5305\u88f9\u8d77\u6765\u3002<\/p>\n
\u8c03\u7528\u591a\u8fd4\u56de\u503c\u51fd\u6570\u65f6\uff0c\u8fd4\u56de\u7ed9\u8c03\u7528\u8005\u7684\u662f\u4e00\u7ec4\u503c\uff0c\u8c03\u7528\u8005\u5fc5\u987b\u663e\u5f0f\u7684\u5c06\u8fd9\u4e9b\u503c\u5206\u914d\u7ed9\u53d8\u91cf:<\/p>\n
func divmod(x, y int) (int, int, int) {\n    res1 := x \/ y\n    res2 := x % y\n    res3 := x + y\n    return res1, res2, res3\n}\n\nfunc main() {\n    m, n, _ := divmod(1, 2)\n    fmt.Println(m, n)\n}\n<\/code><\/pre>\n
4.2 \u547d\u540d\u8fd4\u56de\u503c<\/h3>\n
\u8fd4\u56de\u503c\u4e5f\u53ef\u4ee5\u50cf\u5f62\u53c2\u4e00\u6837\u88ab\u547d\u540d\uff0c\u6709\u540d\u8fd4\u56de\u503c\u4e0e\u51fd\u6570\u7684\u5f62\u53c2\u4f1a\u88ab\u5f53\u4f5c\u51fd\u6570\u6700\u5916\u5c42\u7684\u5c40\u90e8\u53d8\u91cf\uff0c<\/p>\n
func add(x int, y int) (z int) {\n    \/\/ \u76f8\u5f53\u4e8e\u5728\u51fd\u6570\u5185\u6700\u5f00\u5934\/\u6700\u5916\u5c42\u58f0\u660e\u4e86\u53d8\u91cf\n    \/\/var x int\n    \/\/var y int\n    \/\/var z int\n}<\/code><\/pre>\n
\u4f8b1<\/p>\n
\/\/ \u58f0\u660e\u4e86\u8fd4\u56de\u503c\uff0c\u540d\u5b57\u4e3ares1\u3001res2\uff0c\u5728\u51fd\u6570\u5185\u76f4\u63a5\u4f7f\u7528\u5373\u53ef\uff0c\u65e0\u9700\u58f0\u660e\nfunc divmod(x, y int) (res1,res2 int) {\n    fmt.Println(res1,res2)  \n    return\n}\nfunc main() {\n    divmod(1,2) \/\/ 0,0\n}<\/code><\/pre>\n
\u4f8b2\uff1a<\/p>\n
func divmod(x, y int) (res1,res2 int) {\n    res1 = x \/ y  \/\/ \u6b64\u5904\u7528\u7684\u662f\u8d4b\u503c\u64cd\u4f5c\uff0c\u800c\u975e\u58f0\u660eres1\u7684\u64cd\u4f5c\uff0c\u56e0\u4e3a\u5df2\u7ecf\u58f0\u660e\u8fc7\u4e86\n    res2 = x % y\n    return \/\/ \u65e0\u9700\u8ddf\u8fd4\u56de\u503c\uff0c\u9ed8\u8ba4\u8fd4\u56deres1\u4e0eres2\n}\n\nfunc main() {\n    fmt.Println(divmod(10,3))  \/\/ 3 1\n}<\/code><\/pre>\n
4.3 \u8fd4\u56de\u7a7a<\/h3>\n
\u82e5\u51fd\u6570\u8fd4\u56de\u503c\u7c7b\u578b\u4e3aslice\uff0c\u60f3\u8981\u8fd4\u56de\u7a7a\u5207\u7247\uff0c\u76f4\u63a5\u8fd4\u56denil\u5373\u53ef\uff0c\u6ca1\u5fc5\u8981\u663e\u793a\u8fd4\u56de\u4e00\u4e2a\u957f\u5ea6\u4e3a0\u7684\u5207\u7247\uff0c\u4e5f\u5c31\u662f\u8bf4nil\u53ef\u4ee5\u770b\u505a\u662f\u4e00\u4e2a\u6709\u6548\u7684slice\u3002<\/p>\n
func someFunc(x string) []int {\n    if x == "" {\n        return nil \/\/ \u6ca1\u5fc5\u8981\u8fd4\u56de[]int{}\n    }\n    ...\n}<\/code><\/pre>\n
\u4e86\u89e3\uff1a<\/p>\n
\u8bb8\u591a\u6807\u51c6\u5e93\u4e2d\u7684\u51fd\u6570\u8fd4\u56de2\u4e2a\u503c\uff0c\u4e00\u4e2a\u662f\u671f\u671b\u5f97\u5230\u7684\u51fd\u6570\u5904\u7406\u7ed3\u679c\uff0c\u53e6\u4e00\u4e2a\u662f\u51fd\u6570\u51fa\u9519\u65f6\u7684\u9519\u8bef\u4fe1\u606f<\/p>\n
func findLinks() ([]int, error) {\n    return \u6b63\u786e\u7ed3\u679c,nil\n    \/\/ return nil, \u9519\u8bef\u5bf9\u8c61\n}<\/code><\/pre>\n
\u4e94 \u7ec3\u4e60\u9898<\/h2>\n
    \n
  1. \u5206\u91d1\u5e01<\/li>\n<\/ol>\n
    \/*\n\u4f60\u670950\u679a\u91d1\u5e01\uff0c\u9700\u8981\u5206\u914d\u7ed9\u4ee5\u4e0b\u51e0\u4e2a\u4eba\uff1aMatthew,Sarah,Augustus,Heidi,Emilie,Peter,Giana,Adriano,Aaron,Elizabeth\u3002\n\u5206\u914d\u89c4\u5219\u5982\u4e0b\uff1a\na. \u540d\u5b57\u4e2d\u6bcf\u5305\u542b1\u4e2a'e'\u6216'E'\u52061\u679a\u91d1\u5e01\nb. \u540d\u5b57\u4e2d\u6bcf\u5305\u542b1\u4e2a'i'\u6216'I'\u52062\u679a\u91d1\u5e01\nc. \u540d\u5b57\u4e2d\u6bcf\u5305\u542b1\u4e2a'o'\u6216'O'\u52063\u679a\u91d1\u5e01\nd: \u540d\u5b57\u4e2d\u6bcf\u5305\u542b1\u4e2a'u'\u6216'U'\u52064\u679a\u91d1\u5e01\n\u5199\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u8ba1\u7b97\u6bcf\u4e2a\u7528\u6237\u5206\u5230\u591a\u5c11\u91d1\u5e01\uff0c\u4ee5\u53ca\u6700\u540e\u5269\u4f59\u591a\u5c11\u91d1\u5e01\uff1f\n\u7a0b\u5e8f\u7ed3\u6784\u5982\u4e0b\uff0c\u8bf7\u5b9e\u73b0 \u2018dispatchCoin\u2019 \u51fd\u6570\n*\/\nvar (\n    coins = 50\n    users = []string{\n        "Matthew", "Sarah", "Augustus", "Heidi", "Emilie", "Peter", "Giana", "Adriano", "Aaron", "Elizabeth",\n    }\n    distribution = make(map[string]int, len(users))\n)\n\nfunc main() {\n    left := dispatchCoin()\n    fmt.Println("\u5269\u4e0b\uff1a", left)\n}<\/code><\/pre>\n
    \u7b54\u6848<\/p>\n
    package main\n\nimport \"fmt\"\n\nvar (\n    coins = 50\n    users = []string{\n        \"Matthew\", \"Sarah\", \"Augustus\", \"Heidi\", \"Emilie\", \"Peter\", \"Giana\", \"Adriano\", \"Aaron\", \"Elizabeth\",\n    }\n    distribution = make(map[string]int, len(users))\n)\n\nfunc dispatchCoin() int {\n    for _, name := range users {\n        for _, c := range name {\n            switch c {\n            case 'e', 'E':\n                distribution[name]++\n                coins--\n            case 'i', 'I':\n                distribution[name] += 2\n                coins -= 2\n            case 'o', 'O':\n                distribution[name] += 3\n                coins -= 3\n            case 'u', 'U':\n                distribution[name] += 4\n                coins -= 4\n            }\n        }\n    }\n    return coins\n}\nfunc main() {\n    left := dispatchCoin()\n    fmt.Println(\"\u5269\u4e0b\uff1a\", left)\n    fmt.Println(distribution)\n\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
    \u51fd\u6570\u57fa\u7840 \u4e00 \u51fd\u6570\u4ecb\u7ecd 1.1 \u4ec0\u4e48\u662f\u51fd\u6570 \u51fd\u6570\u5c31\u662f\u76db\u653e\u4e00\u7ec4\u4ee3\u7801\u5757\u7684\u201d\u5bb9\u5668\u201d\uff0c\u628a\u5b9e\u73b0\u67d0\u4e2a\u7279\u5b9a\u529f\u80fd\u4e00\u7ec4\u4ee3\u7801\u5757\u7ec4\u7ec7 […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,450],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/7933"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7933"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/7933\/revisions"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}