| // $G $D/$F.go || echo BUG: compilation should succeed | |
| // 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"); | |
| } | |
| } |