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// $G $D/$F.go && $L $F.$A && ./$A.out
// 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 shift(x int) int {
return 1<<(1<<(1<<(uint(x))));
}
func main() {
if n := shift(2); n != 1<<(1<<(1<<2)) {
panicln("bad shift", n);
}
}
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