// 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
type Foo interface { }
type T struct {}
func (t *T) foo() {}
func main() {
t := new(T);
var i interface {};
f, ok := i.(Foo);
_, _, _ = t, f, ok;
}