Struct glib::subclass::ObjectImplWeakRef
source · pub struct ObjectImplWeakRef<T: ObjectSubclass>(_);
Expand description
Weak reference to an ObjectSubclass
reference.
Implementations§
source§impl<T: ObjectSubclass> ObjectImplWeakRef<T>
impl<T: ObjectSubclass> ObjectImplWeakRef<T>
sourcepub fn upgrade(&self) -> Option<ObjectImplRef<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§
source§impl<T: ObjectSubclass> Clone for ObjectImplWeakRef<T>
impl<T: ObjectSubclass> Clone for ObjectImplWeakRef<T>
source§impl<T: ObjectSubclass> Debug for ObjectImplWeakRef<T>
impl<T: ObjectSubclass> Debug for ObjectImplWeakRef<T>
source§impl<T: ObjectSubclass> Upgrade for ObjectImplWeakRef<T>
impl<T: ObjectSubclass> Upgrade for ObjectImplWeakRef<T>
impl<T: ObjectSubclass + Send + Sync> Send for ObjectImplWeakRef<T>
impl<T: ObjectSubclass + Send + Sync> Sync for ObjectImplWeakRef<T>
Auto Trait Implementations§
impl<T> RefUnwindSafe for ObjectImplWeakRef<T>where <T as ObjectSubclass>::Type: RefUnwindSafe,
impl<T> Unpin for ObjectImplWeakRef<T>
impl<T> UnwindSafe for ObjectImplWeakRef<T>where <T as ObjectSubclass>::Type: RefUnwindSafe,
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more