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

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2019-02-25 22:44:14 +00:00
package slice
// Reverse return a reversed version of the given byte slice.
2019-02-25 22:44:14 +00:00
func Reverse(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+1; i, j = i+1, j-1 {
dest[i], dest[j] = b[j], b[i]
}
return dest
}