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// compile
// Copyright 2009 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
func
swap(x, y int) (u, v int) {
return y, x
}
func
main() {
a := 1;
b := 2;
a, b = swap(swap(a, b));
if a != 2 || b != 1 {
panic("bad swap");
}
}
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