Struct glib::subclass::ObjectImplWeakRef

pub struct ObjectImplWeakRef<T: ObjectSubclass>(WeakRef<T::Type>);

Weak reference to an ObjectSubclass reference.

Tuple Fields

0: WeakRef<T::Type>

Implementations

impl<T: ObjectSubclass> ObjectImplWeakRef<T>

pub fn upgrade(&self) -> Option<ObjectImplRef<T>>

Upgrade to a strong reference, if possible.

This will return None if the underlying object was freed in the meantime.

Trait Implementations

impl<T: ObjectSubclass> Clone for ObjectImplWeakRef<T>

fn clone(&self) -> Self

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<T: ObjectSubclass> Debug for ObjectImplWeakRef<T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<T: ObjectSubclass> Upgrade for ObjectImplWeakRef<T>

type Strong = ObjectImplRef<T>

Strong reference type.

fn upgrade(&self) -> Option<Self::Strong>

Try upgrading a weak reference to a strong reference.

impl<T: ObjectSubclass + Send + Sync> Send for ObjectImplWeakRef<T>

impl<T: ObjectSubclass + Send + Sync> Sync for ObjectImplWeakRef<T>