meta: removed meta_type::is_function_pointer (no alternative provided)

src/entt/meta/meta.hpp

@@ -1155,15 +1155,6 @@ public:
         return (node->traits & internal::meta_traits::IS_POINTER);
     }
 
-    /**
-     * @brief Checks whether a type refers to a function pointer or not.
-     * @return True if the underlying type is a function pointer, false
-     * otherwise.
-     */
-    [[nodiscard]] bool is_function_pointer() const ENTT_NOEXCEPT {
-        return (node->traits & internal::meta_traits::IS_FUNCTION_POINTER);
-    }
-
     /**
      * @brief Checks whether a type refers to a pointer to data member or not.
      * @return True if the underlying type is a pointer to data member, false

src/entt/meta/node.hpp

@@ -41,7 +41,6 @@ enum meta_traits: std::uint32_t {
     IS_UNION = 0x0040,
     IS_CLASS = 0x0080,
     IS_POINTER = 0x0100,
-    IS_FUNCTION_POINTER = 0x0200,
     IS_MEMBER_OBJECT_POINTER = 0x0400,
     IS_MEMBER_FUNCTION_POINTER = 0x0800,
     IS_META_POINTER_LIKE = 0x1000,
@@ -191,7 +190,6 @@ public:
                 | (std::is_union_v<Type> ? internal::meta_traits::IS_UNION : internal::meta_traits::IS_NONE)
                 | (std::is_class_v<Type> ? internal::meta_traits::IS_CLASS : internal::meta_traits::IS_NONE)
                 | (std::is_pointer_v<Type> ? internal::meta_traits::IS_POINTER : internal::meta_traits::IS_NONE)
-                | (std::is_pointer_v<Type> && std::is_function_v<std::remove_pointer_t<Type>> ? internal::meta_traits::IS_FUNCTION_POINTER : internal::meta_traits::IS_NONE)
                 | (std::is_member_object_pointer_v<Type> ? internal::meta_traits::IS_MEMBER_OBJECT_POINTER : internal::meta_traits::IS_NONE)
                 | (std::is_member_function_pointer_v<Type> ? internal::meta_traits::IS_MEMBER_FUNCTION_POINTER : internal::meta_traits::IS_NONE)
                 | (is_meta_pointer_like_v<Type> ? internal::meta_traits::IS_META_POINTER_LIKE : internal::meta_traits::IS_NONE)

test/entt/meta/meta_type.cpp

@@ -238,9 +238,6 @@ TEST_F(MetaType, Traits) {
     ASSERT_TRUE(entt::resolve<int *>().is_pointer());
     ASSERT_FALSE(entt::resolve<int>().is_pointer());
 
-    ASSERT_TRUE(entt::resolve<decltype(&clazz_t::func)>().is_function_pointer());
-    ASSERT_FALSE(entt::resolve<decltype(&clazz_t::member)>().is_function_pointer());
-
     ASSERT_TRUE(entt::resolve<decltype(&clazz_t::value)>().is_member_object_pointer());
     ASSERT_FALSE(entt::resolve<decltype(&clazz_t::member)>().is_member_object_pointer());