彦祖们看道题, GO 之 TCP 编程代码找错误 - V2EX
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彦祖们看道题, GO 之 TCP 编程代码找错误

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  •   zzzzqqw 2021-08-07 12:49:43 +08:00 2147 次点击
    这是一个创建于 1529 天前的主题,其中的信息可能已经有所发展或是发生改变。

    已经是几个月前碰到的题目了,补了几个月基础知识还是不会做,惭愧惭愧

    题目:找出下面代码的错误

    题目图片地址 https://oszo.cc/1.png

    8 条回复    2021-08-14 23:41:58 +08:00
    egen
        1
    egen  
       2021-08-07 13:01:04 +08:00
    defer 应该放 Dail err 检查之后
    join
        2
    join  
       2021-08-07 13:01:13 +08:00   1
    send 和 recv 并不是同步的。需要放在两个不同的运行流程里。
    honkki
        3
    honkki  
       2021-08-07 14:58:02 +08:00
    先判断错误再 defer
    zzzzqqw
        4
    zzzzqqw  
    OP
       2021-08-07 16:28:51 +08:00
    @egen
    @join
    @honkki
    你们说的都有道理,谢谢
    lasuar
        5
    lasuar  
       2021-08-07 18:46:02 +08:00
    优化点:str 到 byte 之间转换用 unsafe.Pointer
    bushenx
        6
    bushenx  
       2021-08-13 13:56:31 +08:00 via Android
    @lasuar 大哥能细说说吗
    lasuar
        7
    lasuar  
       2021-08-14 12:40:52 +08:00
    bushenx
        8
    bushenx  
       2021-08-14 23:41:58 +08:00
    @lasuar 学习了
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