如何把 [64]byte 变量直接指给 []byte 变量啊 - V2EX
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admirez
V2EX    Go 编程语言

如何把 [64]byte 变量直接指给 []byte 变量啊

  •   
  •   admirez 2018-02-13 12:37:38 +08:00 1720 次点击
    这是一个创建于 2843 天前的主题，其中的信息可能已经有所发展或是发生改变。
  • byte
  • 变量
  • 直接
  • 指
    6 条回复    2018-02-13 19:20:48 +08:00
    htfy96
        1
    htfy96  
       2018-02-13 12:42:00 +08:00   1
    slice := arr[:]
    boboliu
        2
    boboliu  
       2018-02-13 14:00:41 +08:00 via Android
    Emmmm，楼上说得对

    And，请一定注意 slice 是引用
    owenliang
        3
    owenliang  
       2018-02-13 14:02:38 +08:00
    1 楼的切片引用，或者 copy 走。。
    admirez
        4
    admirez  
    OP
       2018-02-13 14:46:11 +08:00 via iPhone
    @boboliu 第二句话没明白……
    mengzhuo
        5
    mengzhuo  
       2018-02-13 15:01:45 +08:00
    @admirez #4

    就是

    s1 = arr[:]
    s1[0] = 1
    arr[0] == 1 # True
    admirez
        6
    admirez  
    OP
       2018-02-13 19:20:48 +08:00 via iPhone
    @mengzhuo 明白了，我其实问的就是要这个效果
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