CustomDataContainer class
DataListContainer - typesafe storage and retrieval of arbitrary members. By using a DataKey, DataListContainer objects allow storage and retrieval of custom data members in a typesafe fashion. The custom data members will initially default to DataKey::fallback and are deleted by the DataListContainer destructor. Example:
Derived classes
- class GadgetImpl
- Base type for classes that have a Property.
Public functions
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template <class T>auto del_custom_data(CustomDataKey<T>* key) → bool
- Delete the current contents of the custom keyed data member, invokes DataKey::destroy.
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template <class T>auto get_custom_data(CustomDataKey<T>* key) const → T
- Retrieve contents of the custom keyed data member, returns DataKey::fallback if nothing was set.
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template <class T>auto has_custom_data(CustomDataKey<T>* key) const → bool
- Retrieve wether contents of the custom keyed data member exists.
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template <class T>void set_custom_data(CustomDataKey<T>* key, T data)
- Assign data to the custom keyed data member, deletes any previously set data.