any: remove const qualifiers from non-reference/non-pointer types

src/entt/core/any.hpp

@@ -432,7 +432,7 @@ private:
  * @return The element converted to the requested type.
  */
 template<typename Type, std::size_t Len, std::size_t Align>
-[[nodiscard]] Type any_cast(const basic_any<Len, Align> &data) noexcept {
+[[nodiscard]] std::remove_const_t<Type> any_cast(const basic_any<Len, Align> &data) noexcept {
     const auto *const instance = any_cast<std::remove_reference_t<Type>>(&data);
     ENTT_ASSERT(instance, "Invalid instance");
     return static_cast<Type>(*instance);
@@ -440,7 +440,7 @@ template<typename Type, std::size_t Len, std::size_t Align>
 
 /*! @copydoc any_cast */
 template<typename Type, std::size_t Len, std::size_t Align>
-[[nodiscard]] Type any_cast(basic_any<Len, Align> &data) noexcept {
+[[nodiscard]] std::remove_const_t<Type> any_cast(basic_any<Len, Align> &data) noexcept {
     // forces const on non-reference types to make them work also with wrappers for const references
     auto *const instance = any_cast<std::remove_reference_t<const Type>>(&data);
     ENTT_ASSERT(instance, "Invalid instance");
@@ -449,7 +449,7 @@ template<typename Type, std::size_t Len, std::size_t Align>
 
 /*! @copydoc any_cast */
 template<typename Type, std::size_t Len, std::size_t Align>
-[[nodiscard]] Type any_cast(basic_any<Len, Align> &&data) noexcept {
+[[nodiscard]] std::remove_const_t<Type> any_cast(basic_any<Len, Align> &&data) noexcept {
     if constexpr(std::is_copy_constructible_v<std::remove_cv_t<std::remove_reference_t<Type>>>) {
         if(auto *const instance = any_cast<std::remove_reference_t<Type>>(&data); instance) {
             return static_cast<Type>(std::move(*instance));