Struct objc::rc::StrongPtr

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pub struct StrongPtr(_);
Expand description

A pointer that strongly references an object, ensuring it won’t be deallocated.

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impl StrongPtr

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pub unsafe fn new(ptr: *mut Object) -> Self

Constructs a StrongPtr to a newly created object that already has a +1 retain count. This will not retain the object. When dropped, the object will be released. Unsafe because the caller must ensure the given object pointer is valid.

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pub unsafe fn retain(ptr: *mut Object) -> Self

Retains the given object and constructs a StrongPtr to it. When dropped, the object will be released. Unsafe because the caller must ensure the given object pointer is valid.

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pub fn autorelease(self) -> *mut Object

Autoreleases self, meaning that the object is not immediately released, but will be when the autorelease pool is drained. A pointer to the object is returned, but its validity is no longer ensured.

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pub fn weak(&self) -> WeakPtr

Returns a WeakPtr to self.

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impl Clone for StrongPtr

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fn clone(&self) -> StrongPtr

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Deref for StrongPtr

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type Target = *mut Object

The resulting type after dereferencing.
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fn deref(&self) -> &*mut Object

Dereferences the value.
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impl Drop for StrongPtr

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fn drop(&mut self)

Executes the destructor for this type. Read more
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impl Pointer for StrongPtr

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

Formats the value using the given formatter.

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Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.