Deducing guide for clang

man-group · Apr 6, 2024 · 55c8b9e · 55c8b9e
1 parent 5771fd2
commit 55c8b9e
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/include/sparrow/allocator.hpp b/include/sparrow/allocator.hpp
@@ -147,9 +147,10 @@ namespace sparrow
             return std::forward<A>(alloc);
         }
 
-        template <class... Ts>
-        struct overloaded : Ts... { using Ts::operator()...; };
-
+        template <class... Ts> struct overloaded : Ts... { using Ts::operator()...; };
+        // Although not required in C++20, clang needs it to build the code below
+        template <class... Ts> overloaded(Ts...) -> overloaded<Ts...>;
+
         storage_type copy_storage(const storage_type& rhs) const
         {
             return std::visit(overloaded {