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    <meta content="text/html; charset=windows-1252"
      http-equiv="Content-Type">
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  <body text="#000000" bgcolor="#FFFFFF">
    <div class="moz-cite-prefix">clang-3.4 has a better error message
      for this one:<br>
      <br>
      <br>
      <title>Konsole output</title>
      <div>
        <span style="font-family:monospace"><span
            style="color:#000000;background-color:#ffffff;">In file
            included from
            /home/sander/dune/dune-pdelab/dune/pdelab/test/testelasticity.cc:13:
          </span><br>
          In file included from
          /home/sander/dune/dune-pdelab/dune/pdelab/constraints/conforming.hh:19:
          <br>
          In file included from
          /home/sander/dune/dune-typetree/dune/typetree/typetree.hh:10:
          <br>
          In file included from
          /home/sander/dune/dune-typetree/dune/typetree/powernode.hh:14:
          <br>
          <span
            style="font-weight:bold;color:#000000;background-color:#ffffff;">/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:409:62:
          </span><span
            style="font-weight:bold;color:#ff5454;background-color:#ffffff;">error:
          </span><span
            style="font-weight:bold;color:#000000;background-color:#ffffff;">call
            to member function 'child' is ambiguous</span><span
            style="color:#000000;background-color:#ffffff;">
          </span><br>
                 using evaluate =
decltype(child(std::declval<Node>().child(0),std::declval<J>()...));<br>
          <span
            style="font-weight:bold;color:#54ff54;background-color:#ffffff;">
                                       ~~~~~~~~~~~~~~~~~~~~~^~~~~</span><span
            style="color:#000000;background-color:#ffffff;">
          </span><br>
          <span
            style="font-weight:bold;color:#000000;background-color:#ffffff;">/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:425:14:
          </span><span
            style="font-weight:bold;color:#686868;background-color:#ffffff;">note:
          </span><span style="color:#000000;background-color:#ffffff;">in
            instantiation of template class</span><span
            style="color:#18b218;background-color:#ffffff;">
                                </span><span
            style="color:#000000;background-color:#ffffff;"> </span><br>
     'Dune::TypeTree::impl::_lazy_dynamic_decltype<Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::G<br>
ridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const
          <br>
               Dune::YaspGrid<2,
          Dune::EquidistantCoordinates<double, 2> >, 4>
          >,
          <br>
               Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const
          Dune::YaspGrid<2,
          <br>
               Dune::EquidistantCoordinates<double, 2> >, 4>
          >, double, double, 1>,
          Dune::PDELab::ConformingDirichletConstraints,
          <br>
               Dune::PDELab::istl::VectorBackend<0, 1>,
          Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams>
          >,
          <br>
               Dune::PDELab::DOFIndex<unsigned long, 2, 2> >,
          2> >' requested here
          <br>
                   >::type::template evaluate<J...>
          <br>
          <span
            style="font-weight:bold;color:#54ff54;background-color:#ffffff;">
                        ^</span><span
            style="color:#000000;background-color:#ffffff;">
          </span><br>
          <span
            style="font-weight:bold;color:#000000;background-color:#ffffff;">/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:416:12:
          </span><span
            style="font-weight:bold;color:#686868;background-color:#ffffff;">note:
          </span><span style="color:#000000;background-color:#ffffff;">while
            substituting deduced template arguments into</span><span
            style="color:#18b218;background-color:#ffffff;">     </span><span
            style="color:#000000;background-color:#ffffff;"> </span><br>
               function template 'child' [with Node =
          <br>
     Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultL<br>
          eafGridViewTraits<const
          <br>
               Dune::YaspGrid<2,
          Dune::EquidistantCoordinates<double, 2> >, 4>
          >,
          <br>
               Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const
          Dune::YaspGrid<2,
          <br>
               Dune::EquidistantCoordinates<double, 2> >, 4>
          >, double, double, 1>,
          Dune::PDELab::ConformingDirichletConstraints,
          <br>
               Dune::PDELab::istl::VectorBackend<0, 1>,
          Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams>
          >,
          <br>
               Dune::PDELab::DOFIndex<unsigned long, 2, 2> >,
          2>, J = <>]
          <br>
               auto child(Node&& node, std::size_t i, J... j)
          ->
          <br>
          <span
            style="font-weight:bold;color:#54ff54;background-color:#ffffff;">
                      ^</span><span
            style="color:#000000;background-color:#ffffff;">
          </span><br>
          <span
            style="font-weight:bold;color:#000000;background-color:#ffffff;">/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:468:10:
          </span><span
            style="font-weight:bold;color:#686868;background-color:#ffffff;">note:
          </span><span style="color:#000000;background-color:#ffffff;">while
            substituting deduced template arguments into</span><span
            style="color:#18b218;background-color:#ffffff;">     </span><span
            style="color:#000000;background-color:#ffffff;"> </span><br>
               function template 'child' [with Node =
          <br>
     Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultL<br>
          eafGridViewTraits<const
          <br>
               Dune::YaspGrid<2,
          Dune::EquidistantCoordinates<double, 2> >, 4>
          >,
          <br>
               Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const
          Dune::YaspGrid<2,
          <br>
               Dune::EquidistantCoordinates<double, 2> >, 4>
          >, double, double, 1>,
          Dune::PDELab::ConformingDirichletConstraints,
          <br>
               Dune::PDELab::istl::VectorBackend<0, 1>,
          Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams>
          >,
          <br>
               Dune::PDELab::DOFIndex<unsigned long, 2, 2> >,
          2>, Indices = <int>]
          <br>
             auto child(Node&& node, Indices... indices) ->
          decltype(impl::child(std::forward<Node>(node),indices...))
          <br>
          <span
            style="font-weight:bold;color:#54ff54;background-color:#ffffff;">
                    ^</span><span
            style="color:#000000;background-color:#ffffff;">
          </span><br>
          <span
            style="font-weight:bold;color:#000000;background-color:#ffffff;">/home/sander/dune/dune-typetree/dune/typetree/powernode.hh:314:32:
          </span><span
            style="font-weight:bold;color:#686868;background-color:#ffffff;">note:
          </span><span style="color:#000000;background-color:#ffffff;">in
            instantiation of template type alias 'evaluate' requested</span><span
            style="color:#18b218;background-color:#ffffff;"> </span><span
            style="color:#000000;background-color:#ffffff;"> </span><br>
               here
          <br>
                      >::type::template evaluate<I0,I...>
          <br>
          <span
            style="font-weight:bold;color:#54ff54;background-color:#ffffff;">
                                          ^</span><span
            style="color:#000000;background-color:#ffffff;">
          </span><br>
          <span
            style="font-weight:bold;color:#000000;background-color:#ffffff;">/home/sander/dune/dune-typetree/dune/typetree/powernode.hh:310:12:
          </span><span
            style="font-weight:bold;color:#686868;background-color:#ffffff;">note:
          </span><span style="color:#000000;background-color:#ffffff;">while
            substituting deduced template arguments into function</span><span
            style="color:#18b218;background-color:#ffffff;">  </span><span
            style="color:#000000;background-color:#ffffff;"> </span><br>
               template 'child' [with I0 = int, I = <>]
          <br>
               auto child(I0 i0, I... i)
          <br>
          <span
            style="font-weight:bold;color:#54ff54;background-color:#ffffff;">
                      ^</span><span
            style="color:#000000;background-color:#ffffff;">
          </span><br>
          <span
            style="font-weight:bold;color:#000000;background-color:#ffffff;">/home/sander/dune/dune-pdelab/dune/pdelab/localoperator/callswitch.hh:234:12:
          </span><span
            style="font-weight:bold;color:#686868;background-color:#ffffff;">note:
          </span><span style="color:#000000;background-color:#ffffff;">(skipping
            1 context in backtrace; use</span><span
            style="color:#18b218;background-color:#ffffff;">
                        </span><span
            style="color:#000000;background-color:#ffffff;"> </span><br>
               -ftemplate-backtrace-limit=0 to see all)
          <br>
                 la.jacobian_volume(eg,lfsu,x,lfsv,mat);
          <br>
          <span
            style="font-weight:bold;color:#54ff54;background-color:#ffffff;">
                      ^</span><span
            style="color:#000000;background-color:#ffffff;">
          </span><br>
          <span
            style="font-weight:bold;color:#000000;background-color:#ffffff;">/home/sander/dune/dune-pdelab/dune/pdelab/gridoperator/default/jacobianengine.hh:220:11:
          </span><span
            style="font-weight:bold;color:#686868;background-color:#ffffff;">note:
          </span><span style="color:#000000;background-color:#ffffff;">in
            instantiation of function template</span><span
            style="color:#18b218;background-color:#ffffff;">  </span><span
            style="color:#000000;background-color:#ffffff;"> </span><br>
               specialization
          <br>
     'Dune::PDELab::LocalAssemblerCallSwitch<Dune::PDELab::LinearElasticity<ModelProblem<Dune::GridView<Dune::DefaultLeafGridViewTrai<br>
          ts<const
          <br>
               Dune::YaspGrid<2,
          Dune::EquidistantCoordinates<double, 2> >, 4> >
          > >,
          <br>
               true>::jacobian_volume<Dune::PDELab::ElementGeometry<Dune::Entity<0,
          2, const Dune::YaspGrid<2,
          <br>
               Dune::EquidistantCoordinates<double, 2> >,
          YaspEntity> >,
          <br>
     Dune::PDELab::LocalFunctionSpace<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const
          <br>
               Dune::YaspGrid<2,
          Dune::EquidistantCoordinates<double, 2> >, 4>
          >,
          <br>
               Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const
          Dune::YaspGrid<2,
          <br>
               Dune::EquidistantCoordinates<double, 2> >, 4>
          >, double, double, 1>, 2,
          Dune::PDELab::istl::VectorBackend<0, 1>,
          <br>
               Dune::PDELab::istl::VectorBackend<0, 1>,
          Dune::PDELab::ConformingDirichletConstraints,
          Dune::PDELab::LexicographicOrderingTag,
          <br>
               Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams>
          >, Dune::PDELab::AnySpaceTag>,
          <br>
               Dune::PDELab::LocalVector<double,
          Dune::PDELab::AnySpaceTag, double>,
          <br>
     Dune::PDELab::LocalFunctionSpace<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const
          <br>
               Dune::YaspGrid<2,
          Dune::EquidistantCoordinates<double, 2> >, 4>
          >,
          <br>
               Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const
          Dune::YaspGrid<2,
          <br>
               Dune::EquidistantCoordinates<double, 2> >, 4>
          >, double, double, 1>, 2,
          Dune::PDELab::istl::VectorBackend<0, 1>,
          <br>
               Dune::PDELab::istl::VectorBackend<0, 1>,
          Dune::PDELab::ConformingDirichletConstraints,
          Dune::PDELab::LexicographicOrderingTag,
          <br>
               Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams>
          >, Dune::PDELab::AnySpaceTag>,
          <br>
               Dune::PDELab::WeightedMatrixAccumulationView<Dune::PDELab::LocalMatrix<double,
          double> > >' requested here
          <br>
         jacobian_volume(lop,eg,lfsu_cache.localFunctionSpace(),xl,lfsv_cache.localFunctionSpace(),al_view);
          <br>
          <span
            style="font-weight:bold;color:#54ff54;background-color:#ffffff;">
                     ^</span><span
            style="color:#000000;background-color:#ffffff;">
          </span><br>
          <span
            style="font-weight:bold;color:#000000;background-color:#ffffff;">/home/sander/dune/dune-pdelab/dune/pdelab/gridoperator/default/assembler.hh:153:30:
          </span><span
            style="font-weight:bold;color:#686868;background-color:#ffffff;">note:
          </span><span style="color:#000000;background-color:#ffffff;">in
            instantiation of function template</span><span
            style="color:#18b218;background-color:#ffffff;">       </span><span
            style="color:#000000;background-color:#ffffff;"> </span><br>
           <br>
        </span></div>
      etc...
      <meta http-equiv="Content-Type" content="text/html;
        charset=windows-1252">
      <br>
      <br>
      Am 15.09.2015 um 22:19 schrieb Carsten Gräser:<br>
    </div>
    <blockquote cite="mid:55F87D60.1040000@mi.fu-berlin.de" type="cite">
      <pre wrap="">The error below occurs in the same place
as for the stokes example.

Best,
Carsten

Am 15.09.2015 um 22:07 schrieb Oliver Sander:
</pre>
      <blockquote type="cite">
        <pre wrap="">Second attempt to send this mail: the last one was bounced because the
text was too long :-)


-------- Weitergeleitete Nachricht --------
Betreff:        pdelab problems after dune-typetree changes
Datum:  Tue, 15 Sep 2015 22:05:31 +0200
Von:    Oliver Sander <a class="moz-txt-link-rfc2396E" href="mailto:oliver.sander@tu-dresden.de"><oliver.sander@tu-dresden.de></a>
An:     <a class="moz-txt-link-abbreviated" href="mailto:dune-functions@dune-project.org">dune-functions@dune-project.org</a>



Hi Steffen,
I'm afraid your recent typetree work broke something in dune-pdelab.  For me, testelasticity
now fails to compile (gcc 4.9.3) with a looong error message.  Could you please have a look?
Thanks,
Oliver

[ 75%] Built target dunepdelab
[100%] Building CXX object dune/pdelab/test/CMakeFiles/testelasticity.dir/testelasticity.cc.o
In file included from /home/sander/dune/dune-typetree/dune/typetree/powernode.hh:14:0,
                 from /home/sander/dune/dune-typetree/dune/typetree/typetree.hh:10,
                 from /home/sander/dune/dune-pdelab/dune/pdelab/constraints/conforming.hh:19,
                 from /home/sander/dune/dune-pdelab/dune/pdelab/test/testelasticity.cc:13:
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh: In substitution of ‘template<class Node> template<class ... Indices> using evaluate = decltype (Dune::TypeTree::child(declval<Node>(),
(declval<Indices>)()...)) [with Indices = {int}; Node = const
Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::DOFIndex<long unsigned
int, 2ul, 2ul> >, 2ul>]’:
/home/sander/dune/dune-typetree/dune/typetree/powernode.hh:330:12:   required by substitution of ‘template<class I0, class ... I> typename std::enable_if<((sizeof... (I) > 0) || (! typename
Dune::TypeTree::impl::_is_flat_index<typename std::decay<_Tp>::type>::type{})), Dune::TypeTree::impl::_lazy_member_child_decltype<const Dune::TypeTree::PowerNode<T, k> > >::type::evaluate<I0, I ...>
Dune::TypeTree::PowerNode<T, k>::child(I0, I ...) const [with I0 = int; I = {}]’
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:409:91:   required from ‘struct Dune::TypeTree::impl::_lazy_dynamic_decltype<const
Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::DOFIndex<long unsigned
int, 2ul, 2ul> >, 2ul> >’
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:416:12:   required by substitution of ‘template<class Node, class ... J> typename std::enable_if<std::is_convertible<typename
std::remove_reference<_From>::type::NodeTag, Dune::TypeTree::PowerNodeTag>::value, Dune::TypeTree::impl::_lazy_dynamic_decltype<typename std::remove_reference<_From>::type> >::type::evaluate<J ...>
Dune::TypeTree::impl::child(Node&&, std::size_t, J ...) [with Node = const
Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::DOFIndex<long unsigned
int, 2ul, 2ul> >, 2ul>; J = {}]’
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:468:108:   required by substitution of ‘template<class Node, class ... Indices> decltype
(Dune::TypeTree::impl::child(forward<Node>(node), Dune::TypeTree::child::indices ...)) Dune::TypeTree::child(Node&&, Indices ...) [with Node = const
Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::DOFIndex<long unsigned
int, 2ul, 2ul> >, 2ul>; Indices = {int}]’
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:640:104:   required by substitution of ‘template<class Node> template<class ... Indices> using evaluate = decltype
(Dune::TypeTree::child(declval<Node>(), (declval<Indices>)()...)) [with Indices = {int}; Node = const
Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::DOFIndex<long unsigned
int, 2ul, 2ul> >, 2ul>]’
/home/sander/dune/dune-typetree/dune/typetree/powernode.hh:330:12:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/sander/dune/dune-pdelab/dune/pdelab/localoperator/callswitch.hh:234:9:   required from ‘static void Dune::PDELab::LocalAssemblerCallSwitch<LA, true>::jacobian_volume(const LA&, const EG&, const
LFSU&, const X&, const LFSV&, M&) [with EG = Dune::PDELab::ElementGeometry<Dune::Entity<0, 2, const Dune::YaspGrid<2>, Dune::YaspEntity> >; LFSU =
Dune::PDELab::LocalFunctionSpace<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >,
Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double, 1ul>, 2ul,
Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::AnySpaceTag>; X = Dune::PDELab::LocalVector<double, Dune::PDELab::AnySpaceTag, double>; LFSV =
Dune::PDELab::LocalFunctionSpace<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >,
Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double, 1ul>, 2ul,
Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::AnySpaceTag>; M = Dune::PDELab::WeightedMatrixAccumulationView<Dune::PDELab::LocalMatrix<double, double> >; LA =
Dune::PDELab::LinearElasticity<ModelProblem<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> > > >]’
/home/sander/dune/dune-pdelab/dune/pdelab/gridoperator/default/jacobianengine.hh:220:108:   required from ‘void Dune::PDELab::DefaultLocalJacobianAssemblerEngine<LA>::assembleUVVolume(const EG&, const
LFSUC&, const LFSVC&) [with EG = Dune::PDELab::ElementGeometry<Dune::Entity<0, 2, const Dune::YaspGrid<2>, Dune::YaspEntity> >; LFSUC =
Dune::PDELab::LFSIndexCache<Dune::PDELab::LocalFunctionSpace<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::AnySpaceTag>, Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>,
Dune::PDELab::MultiIndex<long unsigned int, 1ul>, double> >; LFSVC =
Dune::PDELab::LFSIndexCache<Dune::PDELab::LocalFunctionSpace<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::AnySpaceTag>, Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>,
Dune::PDELab::MultiIndex<long unsigned int, 1ul>, double> >; LA =
Dune::PDELab::DefaultLocalAssembler<Dune::PDELab::GridOperator<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::LinearElasticity<ModelProblem<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> > > >, Dune::PDELab::istl::BCRSMatrixBackend<>, double, double, double, Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>,
Dune::PDELab::MultiIndex<long unsigned int, 1ul>, double>, Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>, Dune::PDELab::MultiIndex<long unsigned int,
1ul>, double>, false>, Dune::PDELab::LinearElasticity<ModelProblem<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> > > >, false>]’
/home/sander/dune/dune-pdelab/dune/pdelab/gridoperator/default/assembler.hh:153:13:   required from ‘void Dune::PDELab::DefaultAssembler<GFSU, GFSV, CU, CV,
nonoverlapping_mode>::assemble(LocalAssemblerEngine&) const [with LocalAssemblerEngine =
Dune::PDELab::DefaultLocalJacobianAssemblerEngine<Dune::PDELab::DefaultLocalAssembler<Dune::PDELab::GridOperator<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const
Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >,
double, double, 1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::LinearElasticity<ModelProblem<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> > > >, Dune::PDELab::istl::BCRSMatrixBackend<>, double, double, double, Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>,
Dune::PDELab::MultiIndex<long unsigned int, 1ul>, double>, Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>, Dune::PDELab::MultiIndex<long unsigned int,
1ul>, double>, false>, Dune::PDELab::LinearElasticity<ModelProblem<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> > > >, false> >; GFSU =
Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >,
Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double, 1ul>, 2ul,
Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >; GFSV = Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >; CU = Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>,
Dune::PDELab::MultiIndex<long unsigned int, 1ul>, double>; CV = Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>, Dune::PDELab::MultiIndex<long unsigned int,
1ul>, double>; bool nonoverlapping_mode = false]’
/home/sander/dune/dune-pdelab/dune/pdelab/gridoperator/gridoperator.hh:175:9:   required from ‘void Dune::PDELab::GridOperator<GFSU, GFSV, LOP, MB, DF, RF, JF, CU, CV,
nonoverlapping_mode>::jacobian(const Domain&, Dune::PDELab::GridOperator<GFSU, GFSV, LOP, MB, DF, RF, JF, CU, CV, nonoverlapping_mode>::Jacobian&) const [with GFSU =
Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >,
Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double, 1ul>, 2ul,
Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >; GFSV = Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >; LOP = Dune::PDELab::LinearElasticity<ModelProblem<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> > > >; MB = Dune::PDELab::istl::BCRSMatrixBackend<>; DF = double; RF = double; JF = double; CU = Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long
unsigned int, 2ul, 2ul>, Dune::PDELab::MultiIndex<long unsigned int, 1ul>, double>; CV = Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>,
Dune::PDELab::MultiIndex<long unsigned int, 1ul>, double>; bool nonoverlapping_mode = false; Dune::PDELab::GridOperator<GFSU, GFSV, LOP, MB, DF, RF, JF, CU, CV, nonoverlapping_mode>::Domain =
Dune::PDELab::istl::BlockVector<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >,
Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double, 1ul>, 2ul,
Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::BlockVector<Dune::FieldVector<double, 1>, std::allocator<Dune::FieldVector<double, 1> > > >;
Dune::PDELab::GridOperator<GFSU, GFSV, LOP, MB, DF, RF, JF, CU, CV, nonoverlapping_mode>::Jacobian =
Dune::PDELab::istl::BCRSMatrix<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >,
Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double, 1ul>, 2ul,
Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::BCRSMatrix<Dune::
FieldMatrix<double, 1, 1>, std::allocator<Dune::FieldMatrix<double, 1, 1> > >, Dune::PDELab::istl::PatternStatistics<long unsigned int> >]’
/home/sander/dune/dune-pdelab/dune/pdelab/test/testelasticity.cc:187:3:   required from ‘void testp1(const GV&, double, double, double) [with GV = Dune::GridView<Dune::DefaultLeafGridViewTraits<const
Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >]’
/home/sander/dune/dune-pdelab/dune/pdelab/test/testelasticity.cc:247:46:   required from here
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:640:104: error: no matching function for call to ‘child(const
Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::DOFIndex<long unsigned
int, 2ul, 2ul> >, 2ul>, int)’
         using evaluate = decltype(Dune::TypeTree::child(std::declval<Node>(),std::declval<Indices>()...));
                                                                                                        ^
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:640:104: note: candidates are:
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:468:10: note: template<class Node, class ... Indices> decltype (Dune::TypeTree::impl::child(forward<Node>(node),
Dune::TypeTree::child::indices ...)) Dune::TypeTree::child(Node&&, Indices ...)
     auto child(Node&& node, Indices... indices) -> decltype(impl::child(std::forward<Node>(node),indices...))
          ^
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:468:10: note:   template argument deduction/substitution failed:
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh: In substitution of ‘template<class Node, class ... Indices> decltype (Dune::TypeTree::impl::child(forward<Node>(node),
Dune::TypeTree::child::indices ...)) Dune::TypeTree::child(Node&&, Indices ...) [with Node = const
Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::DOFIndex<long unsigned
int, 2ul, 2ul> >, 2ul>; Indices = {int}]’:
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:640:104:   required by substitution of ‘template<class Node> template<class ... Indices> using evaluate = decltype
(Dune::TypeTree::child(declval<Node>(), (declval<Indices>)()...)) [with Indices = {int}; Node = const
Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::DOFIndex<long unsigned
int, 2ul, 2ul> >, 2ul>]’
/home/sander/dune/dune-typetree/dune/typetree/powernode.hh:330:12:   required by substitution of ‘template<class I0, class ... I> typename std::enable_if<((sizeof... (I) > 0) || (! typename
Dune::TypeTree::impl::_is_flat_index<typename std::decay<_Tp>::type>::type{})), Dune::TypeTree::impl::_lazy_member_child_decltype<const Dune::TypeTree::PowerNode<T, k> > >::type::evaluate<I0, I ...>
Dune::TypeTree::PowerNode<T, k>::child(I0, I ...) const [with I0 = int; I = {}]’
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:409:91:   required from ‘struct Dune::TypeTree::impl::_lazy_dynamic_decltype<const
Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::DOFIndex<long unsigned
int, 2ul, 2ul> >, 2ul> >’
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:416:12:   required by substitution of ‘template<class Node, class ... J> typename std::enable_if<std::is_convertible<typename
std::remove_reference<_From>::type::NodeTag, Dune::TypeTree::PowerNodeTag>::value, Dune::TypeTree::impl::_lazy_dynamic_decltype<typename std::remove_reference<_From>::type> >::type::evaluate<J ...>
Dune::TypeTree::impl::child(Node&&, std::size_t, J ...) [with Node = const
Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::DOFIndex<long unsigned
int, 2ul, 2ul> >, 2ul>; J = {}]’
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:468:108:   required by substitution of ‘template<class Node, class ... Indices> decltype
(Dune::TypeTree::impl::child(forward<Node>(node), Dune::TypeTree::child::indices ...)) Dune::TypeTree::child(Node&&, Indices ...) [with Node = const
Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::DOFIndex<long unsigned
int, 2ul, 2ul> >, 2ul>; Indices = {int}]’
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:640:104:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/sander/dune/dune-pdelab/dune/pdelab/localoperator/callswitch.hh:234:9:   required from ‘static void Dune::PDELab::LocalAssemblerCallSwitch<LA, true>::jacobian_volume(const LA&, const EG&, const
LFSU&, const X&, const LFSV&, M&) [with EG = Dune::PDELab::ElementGeometry<Dune::Entity<0, 2, const Dune::YaspGrid<2>, Dune::YaspEntity> >; LFSU =
Dune::PDELab::LocalFunctionSpace<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >,
Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double, 1ul>, 2ul,
Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::AnySpaceTag>; X = Dune::PDELab::LocalVector<double, Dune::PDELab::AnySpaceTag, double>; LFSV =
Dune::PDELab::LocalFunctionSpace<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >,
Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double, 1ul>, 2ul,
Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::AnySpaceTag>; M = Dune::PDELab::WeightedMatrixAccumulationView<Dune::PDELab::LocalMatrix<double, double> >; LA =
Dune::PDELab::LinearElasticity<ModelProblem<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> > > >]’
/home/sander/dune/dune-pdelab/dune/pdelab/gridoperator/default/jacobianengine.hh:220:108:   required from ‘void Dune::PDELab::DefaultLocalJacobianAssemblerEngine<LA>::assembleUVVolume(const EG&, const
LFSUC&, const LFSVC&) [with EG = Dune::PDELab::ElementGeometry<Dune::Entity<0, 2, const Dune::YaspGrid<2>, Dune::YaspEntity> >; LFSUC =
Dune::PDELab::LFSIndexCache<Dune::PDELab::LocalFunctionSpace<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::AnySpaceTag>, Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>,
Dune::PDELab::MultiIndex<long unsigned int, 1ul>, double> >; LFSVC =
Dune::PDELab::LFSIndexCache<Dune::PDELab::LocalFunctionSpace<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::AnySpaceTag>, Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>,
Dune::PDELab::MultiIndex<long unsigned int, 1ul>, double> >; LA =
Dune::PDELab::DefaultLocalAssembler<Dune::PDELab::GridOperator<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::LinearElasticity<ModelProblem<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> > > >, Dune::PDELab::istl::BCRSMatrixBackend<>, double, double, double, Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>,
Dune::PDELab::MultiIndex<long unsigned int, 1ul>, double>, Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>, Dune::PDELab::MultiIndex<long unsigned int,
1ul>, double>, false>, Dune::PDELab::LinearElasticity<ModelProblem<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> > > >, false>]’
/home/sander/dune/dune-pdelab/dune/pdelab/gridoperator/default/assembler.hh:153:13:   required from ‘void Dune::PDELab::DefaultAssembler<GFSU, GFSV, CU, CV,
nonoverlapping_mode>::assemble(LocalAssemblerEngine&) const [with LocalAssemblerEngine =
Dune::PDELab::DefaultLocalJacobianAssemblerEngine<Dune::PDELab::DefaultLocalAssembler<Dune::PDELab::GridOperator<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const
Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >,
double, double, 1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::LinearElasticity<ModelProblem<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> > > >, Dune::PDELab::istl::BCRSMatrixBackend<>, double, double, double, Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>,
Dune::PDELab::MultiIndex<long unsigned int, 1ul>, double>, Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>, Dune::PDELab::MultiIndex<long unsigned int,
1ul>, double>, false>, Dune::PDELab::LinearElasticity<ModelProblem<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> > > >, false> >; GFSU =
Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >,
Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double, 1ul>, 2ul,
Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >; GFSV = Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >; CU = Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>,
Dune::PDELab::MultiIndex<long unsigned int, 1ul>, double>; CV = Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>, Dune::PDELab::MultiIndex<long unsigned int,
1ul>, double>; bool nonoverlapping_mode = false]’
/home/sander/dune/dune-pdelab/dune/pdelab/gridoperator/gridoperator.hh:175:9:   required from ‘void Dune::PDELab::GridOperator<GFSU, GFSV, LOP, MB, DF, RF, JF, CU, CV,
nonoverlapping_mode>::jacobian(const Domain&, Dune::PDELab::GridOperator<GFSU, GFSV, LOP, MB, DF, RF, JF, CU, CV, nonoverlapping_mode>::Jacobian&) const [with GFSU =
Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >,
Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double, 1ul>, 2ul,
Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >; GFSV = Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >; LOP = Dune::PDELab::LinearElasticity<ModelProblem<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> > > >; MB = Dune::PDELab::istl::BCRSMatrixBackend<>; DF = double; RF = double; JF = double; CU = Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long
unsigned int, 2ul, 2ul>, Dune::PDELab::MultiIndex<long unsigned int, 1ul>, double>; CV = Dune::PDELab::ConstraintsTransformation<Dune::PDELab::DOFIndex<long unsigned int, 2ul, 2ul>,
Dune::PDELab::MultiIndex<long unsigned int, 1ul>, double>; bool nonoverlapping_mode = false; Dune::PDELab::GridOperator<GFSU, GFSV, LOP, MB, DF, RF, JF, CU, CV, nonoverlapping_mode>::Domain =
Dune::PDELab::istl::BlockVector<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >,
Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double, 1ul>, 2ul,
Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::BlockVector<Dune::FieldVector<double, 1>, std::allocator<Dune::FieldVector<double, 1> > > >;
Dune::PDELab::GridOperator<GFSU, GFSV, LOP, MB, DF, RF, JF, CU, CV, nonoverlapping_mode>::Jacobian =
Dune::PDELab::istl::BCRSMatrix<Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >,
Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double, 1ul>, 2ul,
Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::VectorGridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, 2ul, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::LexicographicOrderingTag,
Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::BCRSMatrix<Dune::
FieldMatrix<double, 1, 1>, std::allocator<Dune::FieldMatrix<double, 1, 1> > >, Dune::PDELab::istl::PatternStatistics<long unsigned int> >]’
/home/sander/dune/dune-pdelab/dune/pdelab/test/testelasticity.cc:187:3:   required from ‘void testp1(const GV&, double, double, double) [with GV = Dune::GridView<Dune::DefaultLeafGridViewTraits<const
Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >]’
/home/sander/dune/dune-pdelab/dune/pdelab/test/testelasticity.cc:247:46:   required from here
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:468:108: error: no matching function for call to ‘child(const
Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::DOFIndex<long unsigned
int, 2ul, 2ul> >, 2ul>, int&)’
     auto child(Node&& node, Indices... indices) -> decltype(impl::child(std::forward<Node>(node),indices...))
                                                                                                            ^
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:468:108: note: candidates are:
In file included from /home/sander/dune/dune-typetree/dune/typetree/powernode.hh:14:0,
                 from /home/sander/dune/dune-typetree/dune/typetree/typetree.hh:10,
                 from /home/sander/dune/dune-pdelab/dune/pdelab/constraints/conforming.hh:19,
                 from /home/sander/dune/dune-pdelab/dune/pdelab/test/testelasticity.cc:13:
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:351:12: note: template<class Node> decltype (forward<Node>(node)) Dune::TypeTree::impl::child(Node&&)
       auto child(Node&& node) -> decltype(std::forward<Node>(node))
            ^
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:351:12: note:   template argument deduction/substitution failed:
In file included from /home/sander/dune/dune-typetree/dune/typetree/powernode.hh:14:0,
                 from /home/sander/dune/dune-typetree/dune/typetree/typetree.hh:10,
                 from /home/sander/dune/dune-pdelab/dune/pdelab/constraints/conforming.hh:19,
                 from /home/sander/dune/dune-pdelab/dune/pdelab/test/testelasticity.cc:13:
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:468:108: note:   candidate expects 1 argument, 2 provided
     auto child(Node&& node, Indices... indices) -> decltype(impl::child(std::forward<Node>(node),indices...))
                                                                                                            ^
In file included from /home/sander/dune/dune-typetree/dune/typetree/powernode.hh:14:0,
                 from /home/sander/dune/dune-typetree/dune/typetree/typetree.hh:10,
                 from /home/sander/dune/dune-pdelab/dune/pdelab/constraints/conforming.hh:19,
                 from /home/sander/dune/dune-pdelab/dune/pdelab/test/testelasticity.cc:13:
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:387:12: note: template<class Node, long unsigned int i, class ... J> typename std::enable_if<(decltype
(Dune::TypeTree::impl::_has_template_child_method(declval<typename std::remove_reference<_From>::type*>()))::value && (i < typename std::decay<_Tp>::type:: CHILDREN)),
Dune::TypeTree::impl::_lazy_static_decltype<typename std::remove_reference<_From>::type> >::type::evaluate<Dune::TypeTree::index_constant<i>, J ...> Dune::TypeTree::impl::child(Node&&,
Dune::TypeTree::index_constant<i>, J ...)
       auto child(Node&& node, index_constant<i>, J... j) ->
            ^
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:387:12: note:   template argument deduction/substitution failed:
In file included from /home/sander/dune/dune-typetree/dune/typetree/powernode.hh:14:0,
                 from /home/sander/dune/dune-typetree/dune/typetree/typetree.hh:10,
                 from /home/sander/dune/dune-pdelab/dune/pdelab/constraints/conforming.hh:19,
                 from /home/sander/dune/dune-pdelab/dune/pdelab/test/testelasticity.cc:13:
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:468:108: note:   mismatched types ‘std::integral_constant<long unsigned int, _Nm>’ and ‘int’
     auto child(Node&& node, Indices... indices) -> decltype(impl::child(std::forward<Node>(node),indices...))
                                                                                                            ^
In file included from /home/sander/dune/dune-typetree/dune/typetree/powernode.hh:14:0,
                 from /home/sander/dune/dune-typetree/dune/typetree/typetree.hh:10,
                 from /home/sander/dune/dune-pdelab/dune/pdelab/constraints/conforming.hh:19,
                 from /home/sander/dune/dune-pdelab/dune/pdelab/test/testelasticity.cc:13:
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:416:12: note: template<class Node, class ... J> typename std::enable_if<std::is_convertible<typename
std::remove_reference<_From>::type::NodeTag, Dune::TypeTree::PowerNodeTag>::value, Dune::TypeTree::impl::_lazy_dynamic_decltype<typename std::remove_reference<_From>::type> >::type::evaluate<J ...>
Dune::TypeTree::impl::child(Node&&, std::size_t, J ...)
       auto child(Node&& node, std::size_t i, J... j) ->
            ^
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:416:12: note:   template argument deduction/substitution failed:
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh: In substitution of ‘template<class Node, class ... J> typename std::enable_if<std::is_convertible<typename
std::remove_reference<_From>::type::NodeTag, Dune::TypeTree::PowerNodeTag>::value, Dune::TypeTree::impl::_lazy_dynamic_decltype<typename std::remove_reference<_From>::type> >::type::evaluate<J ...>
Dune::TypeTree::impl::child(Node&&, std::size_t, J ...) [with Node = const
Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::DOFIndex<long unsigned
int, 2ul, 2ul> >, 2ul>; J = {}]’:
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:468:108:   required by substitution of ‘template<class Node, class ... Indices> decltype
(Dune::TypeTree::impl::child(forward<Node>(node), Dune::TypeTree::child::indices ...)) Dune::TypeTree::child(Node&&, Indices ...) [with Node = const
Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::DOFIndex<long unsigned
int, 2ul, 2ul> >, 2ul>; Indices = {int}]’
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:640:104:   required by substitution of ‘template<class Node> template<class ... Indices> using evaluate = decltype
(Dune::TypeTree::child(declval<Node>(), (declval<Indices>)()...)) [with Indices = {int}; Node = const
Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::DOFIndex<long unsigned
int, 2ul, 2ul> >, 2ul>]’
/home/sander/dune/dune-typetree/dune/typetree/powernode.hh:330:12:   required by substitution of ‘template<class I0, class ... I> typename std::enable_if<((sizeof... (I) > 0) || (! typename
Dune::TypeTree::impl::_is_flat_index<typename std::decay<_Tp>::type>::type{})), Dune::TypeTree::impl::_lazy_member_child_decltype<const Dune::TypeTree::PowerNode<T, k> > >::type::evaluate<I0, I ...>
Dune::TypeTree::PowerNode<T, k>::child(I0, I ...) const [with I0 = int; I = {}]’
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:409:91:   required from ‘struct Dune::TypeTree::impl::_lazy_dynamic_decltype<const
Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::DOFIndex<long unsigned
int, 2ul, 2ul> >, 2ul> >’
/home/sander/dune/dune-typetree/dune/typetree/childextraction.hh:416:12:   required by substitution of ‘template<class Node, class ... J> typename std::enable_if<std::is_convertible<typename
std::remove_reference<_From>::type::NodeTag, Dune::TypeTree::PowerNodeTag>::value, Dune::TypeTree::impl::_lazy_dynamic_decltype<typename std::remove_reference<_From>::type> >::type::evaluate<J ...>
Dune::TypeTree::impl::child(Node&&, std::size_t, J ...) [with Node = const
Dune::TypeTree::PowerNode<Dune::PDELab::LeafLocalFunctionSpaceNode<Dune::PDELab::GridFunctionSpace<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>,
(Dune::PartitionIteratorType)4u> >, Dune::PDELab::QkLocalFiniteElementMap<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2>, (Dune::PartitionIteratorType)4u> >, double, double,
1ul>, Dune::PDELab::ConformingDirichletConstraints, Dune::PDELab::istl::VectorBackend<>, Dune::PDELab::LeafOrderingTag<Dune::PDELab::DefaultLeafOrderingParams> >, Dune::PDELab::DOFIndex<long unsigned
int, 2ul, 2ul> >, 2ul>; J = {}]’
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