meta: cleanup

src/entt/meta/factory.hpp

@@ -510,7 +510,7 @@ public:
  * @param ctx The context from which to reset meta types.
  */
 inline void meta_reset(meta_ctx &ctx, const id_type id) noexcept {
-    auto &&context = internal::meta_context::from(ctx);
+    auto &context = internal::meta_context::from(ctx);
 
     for(auto it = context.value.begin(); it != context.value.end();) {
         if(it->second->id == id) {

src/entt/meta/resolve.hpp

@@ -19,7 +19,7 @@ namespace entt {
  */
 template<typename Type>
 [[nodiscard]] meta_type resolve(const meta_ctx &ctx) noexcept {
-    auto &&context = internal::meta_context::from(ctx);
+    const auto &context = internal::meta_context::from(ctx);
     return {ctx, internal::resolve<std::remove_cv_t<std::remove_reference_t<Type>>>(context)};
 }
 
@@ -39,7 +39,7 @@ template<typename Type>
  * @return An iterable range to use to visit all meta types.
  */
 [[nodiscard]] inline meta_range<meta_type, typename decltype(internal::meta_context::value)::const_iterator> resolve(const meta_ctx &ctx) noexcept {
-    auto &&context = internal::meta_context::from(ctx);
+    const auto &context = internal::meta_context::from(ctx);
     return {{ctx, context.value.cbegin()}, {ctx, context.value.cend()}};
 }
 
@@ -83,7 +83,7 @@ template<typename Type>
  * @return The meta type associated with the given type info object, if any.
  */
 [[nodiscard]] inline meta_type resolve(const meta_ctx &ctx, const type_info &info) noexcept {
-    auto &&context = internal::meta_context::from(ctx);
+    const auto &context = internal::meta_context::from(ctx);
     const auto *elem = internal::try_resolve(context, info);
     return (elem != nullptr) ? meta_type{ctx, *elem} : meta_type{};
 }

src/entt/meta/utility.hpp

@@ -249,7 +249,7 @@ template<typename Type, typename... Args, std::size_t... Index>
  */
 template<typename Type>
 [[nodiscard]] meta_type meta_arg(const meta_ctx &ctx, const std::size_t index) noexcept {
-    auto &&context = internal::meta_context::from(ctx);
+    const auto &context = internal::meta_context::from(ctx);
     return {ctx, internal::meta_arg_node(context, Type{}, index)};
 }