tg2sip/libtgvoip/webrtc_dsp/rtc_base/constructormagic.h

35 lines
1.4 KiB
C

/*
* Copyright 2004 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef RTC_BASE_CONSTRUCTORMAGIC_H_
#define RTC_BASE_CONSTRUCTORMAGIC_H_
// Put this in the declarations for a class to be unassignable.
#define RTC_DISALLOW_ASSIGN(TypeName) \
TypeName& operator=(const TypeName&) = delete
// A macro to disallow the copy constructor and operator= functions. This should
// be used in the declarations for a class.
#define RTC_DISALLOW_COPY_AND_ASSIGN(TypeName) \
TypeName(const TypeName&) = delete; \
RTC_DISALLOW_ASSIGN(TypeName)
// A macro to disallow all the implicit constructors, namely the default
// constructor, copy constructor and operator= functions.
//
// This should be used in the declarations for a class that wants to prevent
// anyone from instantiating it. This is especially useful for classes
// containing only static methods.
#define RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName) \
TypeName() = delete; \
RTC_DISALLOW_COPY_AND_ASSIGN(TypeName)
#endif // RTC_BASE_CONSTRUCTORMAGIC_H_