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“x[m:n]切片操作对于字符串则生成一个新字符串,如果x是[]byte的话则生成一个新的[]byte”。 后半句“如果x是[]byte的话则生成一个新的[]byte”。其实并不是这样,如果x是[]byte的话,并不会重新生成一个[]byte,而是slice和原有的底层数据共用,两者在内存中的位置是一样的。
The text was updated successfully, but these errors were encountered:
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“x[m:n]切片操作对于字符串则生成一个新字符串,如果x是[]byte的话则生成一个新的[]byte”。
后半句“如果x是[]byte的话则生成一个新的[]byte”。其实并不是这样,如果x是[]byte的话,并不会重新生成一个[]byte,而是slice和原有的底层数据共用,两者在内存中的位置是一样的。
The text was updated successfully, but these errors were encountered: