neoneo-go/pkg/util/slice/array.go

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/*
Package slice contains byte slice helpers.
*/
package slice
// CopyReverse returns a new byte slice containing reversed version of the
// original.
func CopyReverse(b []byte) []byte {
dest := make([]byte, len(b))
for i, j := 0, len(b)-1; i <= j; i, j = i+1, j-1 {
dest[i], dest[j] = b[j], b[i]
}
return dest
}