template <typename T>
CustomDataKey class
CustomDataKey objects are used to identify and manage custom data members of CustomDataContainer objects.
Base classes
- struct VirtualBase
- Common base type to allow casting between polymorphic classes.
Public functions
- auto fallback() → T virtual
- Return default T instance.
-
auto type() const → const std::
type_info& noexcept - Return the typeid of T.