Comments (4)
fguby
commented on July 24, 2024
Slice这个结构体其实只有三个字段，指向底层数组元素的指针，len，cap，函数参数传递虽然是值传递，但实际操作的还是底层的数组元素，所以在f函数里的操作才会看起来像影响到了外部吧，个人理解。
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FelixSeptem
commented on July 24, 2024
似乎理解了，在函数内部的是s的一个副本，底层指向是同一个array，所以修改赋值会影响到其他slice，如果只修改则不会影响 https://play.golang.org/p/M8BHj_fE0D3
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qcrao
commented on July 24, 2024
似乎理解了，在函数内部的是s的一个副本，底层指向是同一个array，所以修改赋值会影响到其他slice，如果只修改则不会影响 https://play.golang.org/p/M8BHj_fE0D3
对的
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FelixSeptem
commented on July 24, 2024
问题解决
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