From 6abab491708dcfb361b6829960a6e79abb8945d6 Mon Sep 17 00:00:00 2001
From: Andrea Bocci <andrea.bocci@cern.ch>
Date: Wed, 21 Jun 2023 23:35:02 +0200
Subject: [PATCH] Update the type expected by View::operator[]

Signed-off-by: Andrea Bocci <andrea.bocci@cern.ch>
---
 include/alpaka/mem/view/ViewAccessOps.hpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/alpaka/mem/view/ViewAccessOps.hpp b/include/alpaka/mem/view/ViewAccessOps.hpp
index 20701ea6834d..8c18c00b374d 100644
--- a/include/alpaka/mem/view/ViewAccessOps.hpp
+++ b/include/alpaka/mem/view/ViewAccessOps.hpp
@@ -22,6 +22,7 @@ namespace alpaka::internal
         using const_pointer = value_type const*;
         using reference = value_type&;
         using const_reference = value_type const&;
+        using Idx = alpaka::Idx<TView>;
 
     public:
         ViewAccessOps()
@@ -63,13 +64,13 @@ namespace alpaka::internal
             return data();
         }
 
-        ALPAKA_FN_HOST auto operator[](std::size_t i) -> reference
+        ALPAKA_FN_HOST auto operator[](Idx i) -> reference
         {
             static_assert(Dim<TView>::value == 1, "operator[i] is only valid for Buffers and Views of dimension 1");
             return data()[i];
         }
 
-        ALPAKA_FN_HOST auto operator[](std::size_t i) const -> const_reference
+        ALPAKA_FN_HOST auto operator[](Idx i) const -> const_reference
         {
             static_assert(Dim<TView>::value == 1, "operator[i] is only valid for Buffers and Views of dimension 1");
             return data()[i];
@@ -79,7 +80,6 @@ namespace alpaka::internal
         template<std::size_t TDim, typename TIdx>
         [[nodiscard]] ALPAKA_FN_HOST auto ptr_at([[maybe_unused]] Vec<DimInt<TDim>, TIdx> index) const -> const_pointer
         {
-            using Idx = alpaka::Idx<TView>;
             static_assert(
                 Dim<TView>::value == TDim,
                 "the index type must have the same dimensionality as the Buffer or View");