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