UserDataKey
constructor()
Allocate a new UserDataKey.
This instance will be allocated on the native heap and automatically freed when this class instance is garbage collected.
constructor(scope: <Error class: unknown class>)
Allocate a new UserDataKey using the provided AutofreeScope.
The AutofreeScope manages the allocation lifetime. The most common usage is with memScoped.
Parameters
scope
The AutofreeScope to allocate this structure in.
constructor(unused: <Error class: unknown class>)
Allocate a new UserDataKey.
This instance will be allocated on the native heap and automatically freed when this class instance is garbage collected.
Parameters
unused
constructor(unused: <Error class: unknown class>, scope: <Error class: unknown class>)
Allocate a new UserDataKey using the provided AutofreeScope.
The AutofreeScope manages the allocation lifetime. The most common usage is with memScoped.
Parameters
unused
scope
The AutofreeScope to allocate this structure in.
constructor(cairoUserDataKeyPointer: <Error class: unknown class><<Error class: unknown class>>, cleaner: <Error class: unknown class>? = null)