neo-go/pkg/util/array.go
2019-10-22 17:56:03 +03:00

14 lines
331 B
Go

package util
// ArrayReverse returns a reversed version of the given byte slice.
func ArrayReverse(b []byte) []byte {
// Protect from big.Ints that have 1 len bytes.
if len(b) < 2 {
return b
}
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
}