From ece7cd3004841a821c6ca1b095c021429e221c6d Mon Sep 17 00:00:00 2001
From: Patrick Jaap <patrick.jaap@tu-dresden.de>
Date: Mon, 19 Apr 2021 17:22:31 +0200
Subject: [PATCH] Replace DUNE_UNUSED by [[maybe_unused]]

---
 dune/fufem/assemblers/localassemblers/vvlaplaceassembler.hh | 4 ++--
 dune/fufem/assemblers/localassemblers/vvmassassembler.hh    | 4 ++--
 dune/fufem/dunedataio.hh                                    | 6 +++---
 dune/fufem/estimators/errorfractionmarking.hh               | 2 +-
 dune/fufem/functions/portablegreymap.hh                     | 4 ++--
 dune/fufem/functionspacebases/q1nodalbasis.hh               | 2 +-
 dune/fufem/functionspacebases/refinedp1nodalbasis.hh        | 2 +-
 dune/fufem/test/boundarypatchtest.cc                        | 4 ++--
 8 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/dune/fufem/assemblers/localassemblers/vvlaplaceassembler.hh b/dune/fufem/assemblers/localassemblers/vvlaplaceassembler.hh
index 0fc310cc..5a27f139 100644
--- a/dune/fufem/assemblers/localassemblers/vvlaplaceassembler.hh
+++ b/dune/fufem/assemblers/localassemblers/vvlaplaceassembler.hh
@@ -35,13 +35,13 @@ class VVLaplaceAssembler : public LocalOperatorAssembler <GridType, TrialLocalFE
       : one_(one)
     {}
 
-    void indices(const Element& element DUNE_UNUSED, BoolMatrix& isNonZero, const TrialLocalFE& tFE DUNE_UNUSED, const AnsatzLocalFE& aFE DUNE_UNUSED) const
+    void indices([[maybe_unused]] const Element& element, BoolMatrix& isNonZero, [[maybe_unused]] const TrialLocalFE& tFE, [[maybe_unused]] const AnsatzLocalFE& aFE) const
     {
       isNonZero = true;
     }
 
     template <class BoundaryIterator>
-    void indices(const BoundaryIterator& it DUNE_UNUSED, BoolMatrix& isNonZero, const TrialLocalFE& tFE DUNE_UNUSED, const AnsatzLocalFE& aFE DUNE_UNUSED) const
+    void indices([[maybe_unused]] const BoundaryIterator& it, BoolMatrix& isNonZero, [[maybe_unused]] const TrialLocalFE& tFE, [[maybe_unused]] const AnsatzLocalFE& aFE) const
     {
       isNonZero = true;
     }
diff --git a/dune/fufem/assemblers/localassemblers/vvmassassembler.hh b/dune/fufem/assemblers/localassemblers/vvmassassembler.hh
index 2f8e14ea..63267afb 100644
--- a/dune/fufem/assemblers/localassemblers/vvmassassembler.hh
+++ b/dune/fufem/assemblers/localassemblers/vvmassassembler.hh
@@ -32,13 +32,13 @@ class VVMassAssembler : public LocalOperatorAssembler < GridType, TrialLocalFE,
       : one_(one)
     {}
 
-    void indices(const Element& element DUNE_UNUSED, BoolMatrix& isNonZero, const TrialLocalFE& tFE DUNE_UNUSED, const AnsatzLocalFE& aFE DUNE_UNUSED) const
+    void indices([[maybe_unused]] const Element& element, BoolMatrix& isNonZero, [[maybe_unused]] const TrialLocalFE& tFE, [[maybe_unused]] const AnsatzLocalFE& aFE) const
     {
       isNonZero = true;
     }
 
     template <class BoundaryIterator>
-    void indices(const BoundaryIterator& it DUNE_UNUSED, BoolMatrix& isNonZero, const TrialLocalFE& tFE DUNE_UNUSED, const AnsatzLocalFE& aFE DUNE_UNUSED) const
+    void indices([[maybe_unused]] const BoundaryIterator& it, BoolMatrix& isNonZero, [[maybe_unused]] const TrialLocalFE& tFE, [[maybe_unused]] const AnsatzLocalFE& aFE) const
     {
       isNonZero = true;
     }
diff --git a/dune/fufem/dunedataio.hh b/dune/fufem/dunedataio.hh
index 8d086eb3..45e760e0 100644
--- a/dune/fufem/dunedataio.hh
+++ b/dune/fufem/dunedataio.hh
@@ -16,7 +16,7 @@ namespace serialization {
  * mark the use of the operator & that works both ways, << or >> , depending on the type of Archive.
  */
 template <class Archive, class T, int n>
-void serialize(Archive& ar, Dune::FieldVector<T,n>& fvec, const unsigned int version DUNE_UNUSED)
+void serialize(Archive& ar, Dune::FieldVector<T,n>& fvec, [[maybe_unused]] const unsigned int version)
 {
     for (int i=0; i<n; ++i)
         ar & fvec[i];
@@ -26,7 +26,7 @@ void serialize(Archive& ar, Dune::FieldVector<T,n>& fvec, const unsigned int ver
  * two separate save() and load() functions later to be "unified" via boost::serialization::split_free (see below)
  */
 template <class Archive, class BlockType>
-void save(Archive& ar, const Dune::BlockVector<BlockType>& vec, const unsigned int version DUNE_UNUSED)
+void save(Archive& ar, const Dune::BlockVector<BlockType>& vec, [[maybe_unused]] const unsigned int version)
 {
     size_t size = vec.size();
     ar << size;
@@ -35,7 +35,7 @@ void save(Archive& ar, const Dune::BlockVector<BlockType>& vec, const unsigned i
 }
 
 template <class Archive, class BlockType>
-void load(Archive& ar, Dune::BlockVector<BlockType>& vec, const unsigned int version DUNE_UNUSED)
+void load(Archive& ar, Dune::BlockVector<BlockType>& vec, [[maybe_unused]] const unsigned int version)
 {
     size_t size;
     ar >> size;
diff --git a/dune/fufem/estimators/errorfractionmarking.hh b/dune/fufem/estimators/errorfractionmarking.hh
index 739c8189..76548c2a 100644
--- a/dune/fufem/estimators/errorfractionmarking.hh
+++ b/dune/fufem/estimators/errorfractionmarking.hh
@@ -35,7 +35,7 @@ class ErrorFractionMarkingStrategy
 
         //! Layout class for a all codim all geometry type mapper
         struct AllCodimLayout {
-            bool operator() (Dune::GeometryType gt DUNE_UNUSED, int) const {
+            bool operator() ([[maybe_unused]] Dune::GeometryType gt, int) const {
                 return true;
             }
         };
diff --git a/dune/fufem/functions/portablegreymap.hh b/dune/fufem/functions/portablegreymap.hh
index 8c91a6d7..dbdf7231 100644
--- a/dune/fufem/functions/portablegreymap.hh
+++ b/dune/fufem/functions/portablegreymap.hh
@@ -371,7 +371,7 @@ class PortableGreyMap:
          *  \param x point (global coordinates) at which to evaluate the derivative
          *  \param d will contain the derivative at x after return
          */
-        virtual void evaluateDerivative(const DomainType& x DUNE_UNUSED, DerivativeType& d DUNE_UNUSED) const
+        virtual void evaluateDerivative([[maybe_unused]] const DomainType& x, [[maybe_unused]] DerivativeType& d) const
         {
           DUNE_THROW(Dune::NotImplemented, "Derivative not implemented");
         }
@@ -382,7 +382,7 @@ class PortableGreyMap:
          *  \param x point in local coordinates at which to evaluate the derivative
          *  \param d will contain the derivative at x after return
          */
-        virtual void evaluateDerivativeLocal(const Element& e DUNE_UNUSED, const LocalDomainType& x DUNE_UNUSED, DerivativeType& d DUNE_UNUSED) const
+        virtual void evaluateDerivativeLocal([[maybe_unused]] const Element& e, [[maybe_unused]] const LocalDomainType& x, [[maybe_unused]] DerivativeType& d) const
         {
           DUNE_THROW(Dune::NotImplemented, "Derivative not implemented");
         }
diff --git a/dune/fufem/functionspacebases/q1nodalbasis.hh b/dune/fufem/functionspacebases/q1nodalbasis.hh
index 86d1fcb6..129c7f21 100644
--- a/dune/fufem/functionspacebases/q1nodalbasis.hh
+++ b/dune/fufem/functionspacebases/q1nodalbasis.hh
@@ -55,7 +55,7 @@ class Q1NodalBasis :
             return gridview_.indexSet().size(dim);
         }
 
-        const LocalFiniteElement& getLocalFiniteElement(const Element& e DUNE_UNUSED) const
+        const LocalFiniteElement& getLocalFiniteElement([[maybe_unused]] const Element& e) const
         {
             return localFE_;
         }
diff --git a/dune/fufem/functionspacebases/refinedp1nodalbasis.hh b/dune/fufem/functionspacebases/refinedp1nodalbasis.hh
index c907f638..cc9e699d 100644
--- a/dune/fufem/functionspacebases/refinedp1nodalbasis.hh
+++ b/dune/fufem/functionspacebases/refinedp1nodalbasis.hh
@@ -55,7 +55,7 @@ class RefinedP1NodalBasis :
             mapper_.update();
         }
 
-        const LocalFiniteElement& getLocalFiniteElement(const Element& e DUNE_UNUSED) const
+        const LocalFiniteElement& getLocalFiniteElement([[maybe_unused]] const Element& e) const
         {
             return fe_;
         }
diff --git a/dune/fufem/test/boundarypatchtest.cc b/dune/fufem/test/boundarypatchtest.cc
index e0564c6c..6e383610 100644
--- a/dune/fufem/test/boundarypatchtest.cc
+++ b/dune/fufem/test/boundarypatchtest.cc
@@ -47,7 +47,7 @@ struct BoundaryPatchTestSuite
 
         // Test copy construction
         BP fooBoundary = boundary;
-        int c DUNE_UNUSED;
+        [[maybe_unused]] int c;
         c = fooBoundary.gridView().indexSet().size(0);   // make the copy do something useful
 
         // Test assignment
@@ -70,7 +70,7 @@ struct BoundaryPatchTestSuite
         // Test leaf copy construction
         BoundaryPatch<typename GridType::LeafGridView> leafBoundary(grid.leafGridView(), true);
         BoundaryPatch<typename GridType::LeafGridView> foo = leafBoundary;
-        int c DUNE_UNUSED;
+        [[maybe_unused]] int c;
         c = foo.gridView().indexSet().size(0);   // make the copy do something useful
 
 
-- 
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