// Create a reflect.Value for a byte slice of length 4 buf := make([]byte, 4) val := reflect.ValueOf(buf) // Set the first two bytes of the buffer using SetBytes method val.SetBytes([]byte{0x01, 0x02}) // Print the contents of the buffer fmt.Println(buf) // Output: [1 2 0 0]
// Create a reflect.Value for an array of bytes of length 4 buf := [4]byte{} val := reflect.ValueOf(&buf).Elem() // Set the first byte of the buffer using SetBytes method val.Slice(0, 1).SetBytes([]byte{0x01}) // Print the contents of the buffer fmt.Println(buf) // Output: [1 0 0 0]In this example, we create a reflect.Value for an array of bytes of length 4 and set the first byte to value 0x01 using SetBytes method. The contents of the buffer are then printed. Overall, SetBytes method is useful when working with binary data or when copying data from one slice or array to another.