avoid unused warnings for iterator typedefs

acts-project · Aug 16, 2024 · d86c697 · d86c697
1 parent 030acbd
commit d86c697
Showing 1 changed file with 10 additions and 13 deletions.
diff --git a/Core/include/Acts/Propagator/MultiEigenStepperLoop.hpp b/Core/include/Acts/Propagator/MultiEigenStepperLoop.hpp
@@ -396,11 +396,11 @@ class MultiEigenStepperLoop
   /// proxy internally holding a reference
   auto componentIterable(State& state) const {
     struct Iterator {
-      using difference_type = std::ptrdiff_t;
-      using value_type = ComponentProxy;
-      using reference = ComponentProxy;
-      using pointer = void;
-      using iterator_category = std::forward_iterator_tag;
+      using difference_type [[maybe_unused]] = std::ptrdiff_t;
+      using value_type [[maybe_unused]] = ComponentProxy;
+      using reference [[maybe_unused]] = ComponentProxy;
+      using pointer [[maybe_unused]] = void;
+      using iterator_category [[maybe_unused]] = std::forward_iterator_tag;
 
       typename decltype(state.components)::iterator it;
       const State& s;
@@ -414,8 +414,6 @@ class MultiEigenStepperLoop
     };
 
     struct Iterable {
-      using iterator = Iterator;
-
       State& s;
 
       // clang-format off
@@ -433,11 +431,11 @@ class MultiEigenStepperLoop
   /// proxy internally holding a reference
   auto constComponentIterable(const State& state) const {
     struct ConstIterator {
-      using difference_type = std::ptrdiff_t;
-      using value_type = ConstComponentProxy;
-      using reference = ConstComponentProxy;
-      using pointer = void;
-      using iterator_category = std::forward_iterator_tag;
+      using difference_type [[maybe_unused]] = std::ptrdiff_t;
+      using value_type [[maybe_unused]] = ConstComponentProxy;
+      using reference [[maybe_unused]] = ConstComponentProxy;
+      using pointer [[maybe_unused]] = void;
+      using iterator_category [[maybe_unused]] = std::forward_iterator_tag;
 
       typename decltype(state.components)::const_iterator it;
       const State& s;
@@ -451,7 +449,6 @@ class MultiEigenStepperLoop
     };
 
     struct Iterable {
-      using iterator = ConstIterator;
       const State& s;
 
       // clang-format off