view: refine tombstone check requirements

src/entt/entity/view.hpp

@@ -389,6 +389,8 @@ class basic_view<get_t<Get...>, exclude_t<Exclude...>>: public basic_common_view
     template<typename Type>
     static constexpr std::size_t index_of = type_list_index_v<std::remove_const_t<Type>, type_list<typename Get::element_type..., typename Exclude::element_type...>>;
 
+    static constexpr bool tombstone_check_required = ((sizeof...(Get) == 1u) && ... && (Get::storage_policy == deletion_policy::in_place));
+
     template<std::size_t... Index>
     auto get(const typename base_type::entity_type entt, std::index_sequence<Index...>) const noexcept {
         return std::tuple_cat(storage<Index>()->get_as_tuple(entt)...);
@@ -406,7 +408,7 @@ class basic_view<get_t<Get...>, exclude_t<Exclude...>>: public basic_common_view
     template<std::size_t Curr, typename Func, std::size_t... Index>
     void each(Func &func, std::index_sequence<Index...>) const {
         for(const auto curr: storage<Curr>()->each()) {
-            if(const auto entt = std::get<0>(curr); ((sizeof...(Get) != 1u) || (entt != tombstone)) && ((Curr == Index || this->pools[Index]->contains(entt)) && ...) && internal::none_of(this->filter.begin(), this->filter.end(), entt)) {
+            if(const auto entt = std::get<0>(curr); (!tombstone_check_required || (entt != tombstone)) && ((Curr == Index || this->pools[Index]->contains(entt)) && ...) && internal::none_of(this->filter.begin(), this->filter.end(), entt)) {
                 if constexpr(is_applicable_v<Func, decltype(std::tuple_cat(std::tuple<entity_type>{}, std::declval<basic_view>().get({})))>) {
                     std::apply(func, std::tuple_cat(std::make_tuple(entt), dispatch_get<Curr, Index>(curr)...));
                 } else {