// run// Copyright 2010 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."testing"// defines file-level Ttype _ B // make use of package "testing" (but don't refer to T)type S struct{
T int}funcmain() {
_ = &S{T:1}// should work}