dune-vtk 2.8
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gridcreators/common.hh
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1#pragma once
2
3#include <type_traits>
4
5namespace Dune
6{
7 namespace Vtk
8 {
9 template <class Factory, class... Args>
10 using HasInsertVertex = decltype( std::declval<Factory>().insertVertex(std::declval<Args>()...) );
11
12 namespace Impl
13 {
14 template <class GF, class = void>
15 struct VertexIdType { using type = unsigned int; };
16
17 template <class GF>
18 struct VertexIdType<GF, typename GF::VertexId> { using type = typename GF::VertexId; };
19 }
20
21 template <class GF>
22 using VertexId_t = typename Impl::VertexIdType<GF>::type;
23
24 } //end namespace Vtk
25} // end namespace Dune
Definition: writer.hh:13
typename Impl::VertexIdType< GF >::type VertexId_t
Definition: gridcreators/common.hh:22
decltype(std::declval< Factory >().insertVertex(std::declval< Args >()...)) HasInsertVertex
Definition: gridcreators/common.hh:10