xpcom/glue/unused.h
author Nicholas Nethercote <nnethercote@mozilla.com>
Wed, 27 Aug 2014 15:47:27 -0700
changeset 202122 b276ce8752758dac03c664093192c796cdecebb9
parent 191490 6fdb8eb0faac3e5a0c1b97e82d5737efc524321f
permissions -rw-r--r--
Bug 1058388 - Remove NS_COM_GLUE and IMETHOD_VISIBILITY. r=bsmedberg.

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_unused_h
#define mozilla_unused_h

#include "nscore.h"

namespace mozilla {

//
// Suppress GCC warnings about unused return values with
//   unused << SomeFuncDeclaredWarnUnusedReturnValue();
//
struct unused_t
{
};

extern const unused_t unused;

template<typename T>
inline void
operator<<(const unused_t& /*unused*/, const T& /*unused*/)
{
}

}

#endif // mozilla_unused_h