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// 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])
}
}
}
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