// Copyright 2013 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.
// This .cc file will be automatically compiled by the go tool and
// included in the package.
#include <string>
#include "callback.h"
std::string Caller::call() {
if (callback_ != 0)
return callback_->run();
return "";
}