mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 02:55:47 +00:00
50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#ifndef vtk_m_filter_FilterTraits_h
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#define vtk_m_filter_FilterTraits_h
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#include <vtkm/TypeListTag.h>
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namespace vtkm
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{
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namespace filter
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{
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template <typename Derived>
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class Filter;
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namespace detail
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{
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// template<typename T> vtkm::ListTagBase<T> as_list(T);
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vtkm::ListTagUniversal as_list(vtkm::ListTagUniversal);
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template <typename... T>
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vtkm::ListTagBase<T...> as_list(vtkm::ListTagBase<T...>);
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}
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template <typename Filter>
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struct FilterTraits
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{
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using InputFieldTypeList =
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decltype(detail::as_list(std::declval<typename Filter::SupportedTypes>()));
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};
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template <typename DerivedPolicy, typename ListOfTypes>
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struct DeduceFilterFieldTypes
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{
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using PList = typename DerivedPolicy::FieldTypeList;
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using TypeList = vtkm::ListTagIntersect<ListOfTypes, PList>;
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};
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}
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}
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#endif //vtk_m_filter_FilterTraits_h
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