os/ossrv/lowlevellibsandfws/genericusabilitylib/inc/issame.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
     2 // All rights reserved.
     3 // This component and the accompanying materials are made available
     4 // under the terms of "Eclipse Public License v1.0"
     5 // which accompanies this distribution, and is available
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
     7 //
     8 // Initial Contributors:
     9 // Nokia Corporation - initial contribution.
    10 //
    11 // Contributors:
    12 //
    13 // Description:
    14 //
    15 
    16 
    17 #ifndef ISSAME_H
    18 #define ISSAME_H
    19 
    20 
    21 // Provisional implementation of a construct that allows to determine
    22 // at compile time whether a type is the same as another type
    23 
    24 // To be redefined using std::tr1:is_same when a TR1 implementation
    25 // becomes available for use with Symbian OS.
    26 
    27 
    28 // Implementation construct - do not use
    29 template<typename T, typename U>
    30 struct TIsSame
    31 	{
    32 	enum
    33 	{
    34 		EValue = 0
    35 	};
    36 	};
    37 
    38 // Implementation construct - do not use
    39 template<typename T>
    40 struct TIsSame<T, T>
    41 	{
    42 	enum
    43 	{
    44 		EValue = 1
    45 	};
    46 	};
    47 
    48 
    49 #define IS_SAME(Type1, Type2) TIsSame<Type1, Type2>::EValue
    50 
    51 
    52 #endif //! ISSAME_H
    53