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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkIsSame_h
#define itkIsSame_h
#include "itkMacro.h"
#if !defined(ITK_LEGACY_REMOVE)
# include "itkMetaProgrammingLibrary.h"
namespace itk
{
/// \cond HIDE_META_PROGRAMMING
namespace mpl
{
/** Tells whether two types are identical.
* \ingroup MetaProgrammingLibrary
* \ingroup ITKCommon
*/
template <typename, typename>
struct IsSame : public FalseType
{};
/// \cond SPECIALIZATION_IMPLEMENTATION
template <typename T>
struct IsSame<T, T> : public TrueType
{};
/// \endcond
} // end namespace mpl
// itk::IsSame have move to itk::mpl
// Expect them to be deprecated.
using mpl::IsSame;
/// \endcond
} // end namespace itk
#else // ITK_LEGACY_REMOVE
# error Use C++ 11 std::is_same directly
#endif
#endif // itkIsSame_h
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