[−][src]Struct objc::rc::WeakPtr

pub struct WeakPtr(_);
[−]

A pointer that weakly references an object, allowing to safely check whether it has been deallocated.

Implementations

impl WeakPtr[src][−]

pub unsafe fn new(obj: *mut Object) -> Self[src][−]

Constructs a WeakPtr to the given object. Unsafe because the caller must ensure the given object pointer is valid.

pub fn load(&self) -> StrongPtr[src][−]

Loads the object self points to, returning a StrongPtr. If the object has been deallocated, the returned pointer will be null.

Trait Implementations

impl Clone for WeakPtr[src][+]

impl Drop for WeakPtr[src][+]

Auto Trait Implementations

impl !RefUnwindSafe for WeakPtr

impl !Send for WeakPtr

impl !Sync for WeakPtr

impl Unpin for WeakPtr

impl UnwindSafe for WeakPtr

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, [src][+]

impl<T> Borrow<T> for T where
    T: ?Sized, [src][+]

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src][+]

impl<T> From<T> for T[src][+]

impl<T, U> Into<U> for T where
    U: From<T>, [src][+]

impl<T> ToOwned for T where
    T: Clone, [src][+]

type Owned = T

The resulting type after obtaining ownership.

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src][+]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src][+]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.