meta: meta_any vtable cleanup

src/entt/meta/meta.hpp

@@ -164,14 +164,14 @@ using meta_any_policy [[deprecated("use any_policy instead")]] = any_policy;
 
 /*! @brief Opaque wrapper for values of any type. */
 class meta_any {
-    using vtable_type = void(const internal::meta_traits op, const bool, const meta_any &, void *);
+    using vtable_type = void(const internal::meta_traits op, const meta_any &, void *);
 
     template<typename Type>
-    static void basic_vtable([[maybe_unused]] const internal::meta_traits req, [[maybe_unused]] const bool const_only, [[maybe_unused]] const meta_any &self, [[maybe_unused]] void *other) {
+    static void basic_vtable([[maybe_unused]] const internal::meta_traits req, [[maybe_unused]] const meta_any &self, [[maybe_unused]] void *other) {
         static_assert(std::is_same_v<std::remove_cv_t<std::remove_reference_t<Type>>, Type>, "Invalid type");
 
         if constexpr(is_meta_pointer_like_v<Type>) {
-            if(req == internal::meta_traits::is_meta_pointer_like) {
+            if(!!(req & internal::meta_traits::is_meta_pointer_like)) {
                 if constexpr(std::is_function_v<typename std::pointer_traits<Type>::element_type>) {
                     static_cast<meta_any *>(other)->emplace<Type>(*static_cast<const Type *>(self.data()));
                 } else if constexpr(!std::is_void_v<std::remove_const_t<typename std::pointer_traits<Type>::element_type>>) {
@@ -189,14 +189,14 @@ class meta_any {
         }
 
         if constexpr(is_complete_v<meta_sequence_container_traits<Type>>) {
-            if(req == internal::meta_traits::is_meta_sequence_container) {
-                *static_cast<meta_sequence_container *>(other) = const_only ? meta_sequence_container{*self.ctx, *static_cast<const Type *>(self.data())} : meta_sequence_container{*self.ctx, *static_cast<Type *>(const_cast<void *>(self.data()))};
+            if(!!(req & internal::meta_traits::is_meta_sequence_container)) {
+                *static_cast<meta_sequence_container *>(other) = !!(req & internal::meta_traits::is_const) ? meta_sequence_container{*self.ctx, *static_cast<const Type *>(self.data())} : meta_sequence_container{*self.ctx, *static_cast<Type *>(const_cast<void *>(self.data()))};
             }
         }
 
         if constexpr(is_complete_v<meta_associative_container_traits<Type>>) {
-            if(req == internal::meta_traits::is_meta_associative_container) {
-                *static_cast<meta_associative_container *>(other) = const_only ? meta_associative_container{*self.ctx, *static_cast<const Type *>(self.data())} : meta_associative_container{*self.ctx, *static_cast<Type *>(const_cast<void *>(self.data()))};
+            if(!!(req & internal::meta_traits::is_meta_associative_container)) {
+                *static_cast<meta_associative_container *>(other) = !!(req & internal::meta_traits::is_const) ? meta_associative_container{*self.ctx, *static_cast<const Type *>(self.data())} : meta_associative_container{*self.ctx, *static_cast<Type *>(const_cast<void *>(self.data()))};
             }
         }
     }
@@ -526,14 +526,14 @@ public:
      */
     [[nodiscard]] meta_sequence_container as_sequence_container() noexcept {
         meta_sequence_container proxy{};
-        vtable(internal::meta_traits::is_meta_sequence_container, storage.policy() == any_policy::cref, *this, &proxy);
+        vtable(internal::meta_traits::is_meta_sequence_container | (storage.policy() == any_policy::cref ? internal::meta_traits::is_const : internal::meta_traits::is_none), *this, &proxy);
         return proxy;
     }
 
     /*! @copydoc as_sequence_container */
     [[nodiscard]] meta_sequence_container as_sequence_container() const noexcept {
         meta_sequence_container proxy{};
-        vtable(internal::meta_traits::is_meta_sequence_container, true, *this, &proxy);
+        vtable(internal::meta_traits::is_meta_sequence_container | internal::meta_traits::is_const, *this, &proxy);
         return proxy;
     }
 
@@ -543,14 +543,14 @@ public:
      */
     [[nodiscard]] meta_associative_container as_associative_container() noexcept {
         meta_associative_container proxy{};
-        vtable(internal::meta_traits::is_meta_associative_container, storage.policy() == any_policy::cref, *this, &proxy);
+        vtable(internal::meta_traits::is_meta_associative_container | (storage.policy() == any_policy::cref ? internal::meta_traits::is_const : internal::meta_traits::is_none), *this, &proxy);
         return proxy;
     }
 
     /*! @copydoc as_associative_container */
     [[nodiscard]] meta_associative_container as_associative_container() const noexcept {
         meta_associative_container proxy{};
-        vtable(internal::meta_traits::is_meta_associative_container, true, *this, &proxy);
+        vtable(internal::meta_traits::is_meta_associative_container | internal::meta_traits::is_const, *this, &proxy);
         return proxy;
     }
 
@@ -561,7 +561,7 @@ public:
      */
     [[nodiscard]] meta_any operator*() const noexcept {
         meta_any ret{meta_ctx_arg, *ctx};
-        vtable(internal::meta_traits::is_meta_pointer_like, true, *this, &ret);
+        vtable(internal::meta_traits::is_meta_pointer_like, *this, &ret);
         return ret;
     }