| // run | |
| // Copyright 2022 The Go Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| package main | |
| import "fmt" | |
| func main() { | |
| var x [64]byte | |
| for i := range x { | |
| x[i] = byte(i) | |
| } | |
| y := x | |
| copy(x[4:36], x[2:34]) | |
| *(*[32]byte)(y[4:36]) = *(*[32]byte)(y[2:34]) | |
| for i := range x { | |
| if x[i] != y[i] { | |
| fmt.Printf("x[%v] = %v; y[%v] = %v\n", i, x[i], i, y[i]) | |
| } | |
| } | |
| } |