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go - 复制功能如何工作?

转载 作者:数据小太阳 更新时间:2023-10-29 03:30:05 26 4
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根据文档,我不明白copy 函数是如何工作的:

The copy built-in function copies elements from a source slice into a destination slice. (As a special case, it also will copy bytes from a string to a slice of bytes.) The source and destination may overlap. Copy returns the number of elements copied, which will be the minimum of len(src) and len(dst).

func copy(dst, src []Type) int

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