Templated accessing via at() requires CTAD

kokkos · Nov 18, 2024 · 450a611 · 450a611
1 parent 5325056
commit 450a611
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/include/experimental/__p0009_bits/mdspan.hpp b/include/experimental/__p0009_bits/mdspan.hpp
@@ -224,6 +224,7 @@ class mdspan
   //--------------------------------------------------------------------------------
   // [mdspan.basic.mapping], mdspan mapping domain multidimensional index to access codomain element
 
+  #if defined(_MDSPAN_USE_CLASS_TEMPLATE_ARGUMENT_DEDUCTION)
   MDSPAN_TEMPLATE_REQUIRES(
     class... SizeTypes,
     /* requires */ (
@@ -245,6 +246,7 @@ class mdspan
     }
     return __accessor_ref().access(__ptr_ref(), __mapping_ref()(static_cast<index_type>(std::move(indices))...));
   }
+  #endif
 
   MDSPAN_TEMPLATE_REQUIRES(
     class SizeType,