Struct windows::core::Weak

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pub struct Weak<I: Interface>(_, _);

Expand description

Weak holds a non-owning reference to an object.

Implementations

impl<I: Interface> Weak

pub fn new() -> Self

Creates a new Weak object without any backing object.

pub fn upgrade(&self) -> Option

Attempts to upgrade the weak reference to a strong reference.

Trait Implementations

impl<I: Clone + Interface> Clone for Weak

fn clone(&self) -> Weak

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

impl<I: Default + Interface> Default for Weak

fn default() -> Weak

Returns the “default value” for a type. Read more

impl<I: PartialEq + Interface> PartialEq<Weak> for Weak

fn eq(&self, other: &Weak) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

fn ne(&self, other: &Weak) -> bool

This method tests for !=.

impl<I: Eq + Interface> Eq for Weak

impl<I: Interface> StructuralEq for Weak

impl<I: Interface> StructuralPartialEq for Weak

Auto Trait Implementations

impl RefUnwindSafe for Weak where
I: RefUnwindSafe,

impl !Send for Weak

impl !Sync for Weak

impl Unpin for Weak where
I: Unpin,

impl UnwindSafe for Weak where
I: UnwindSafe,

Blanket Implementations

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impl<T> Any for T where
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 T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

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

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source

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 T where
T: Clone,

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)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct windows::core::Weak

Implementations

impl<I: Interface> Weak<I>

pub fn new() -> Self

pub fn upgrade(&self) -> Option<I>

Trait Implementations

impl<I: Clone + Interface> Clone for Weak<I>

fn clone(&self) -> Weak<I>

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

impl<I: Default + Interface> Default for Weak<I>

fn default() -> Weak<I>

impl<I: PartialEq + Interface> PartialEq<Weak<I>> for Weak<I>

fn eq(&self, other: &Weak<I>) -> bool

fn ne(&self, other: &Weak<I>) -> bool

impl<I: Eq + Interface> Eq for Weak<I>

impl<I: Interface> StructuralEq for Weak<I>

impl<I: Interface> StructuralPartialEq for Weak<I>

Auto Trait Implementations

impl<I> RefUnwindSafe for Weak<I> where I: RefUnwindSafe,

impl<I> !Send for Weak<I>

impl<I> !Sync for Weak<I>

impl<I> Unpin for Weak<I> where I: Unpin,

impl<I> UnwindSafe for Weak<I> where I: UnwindSafe,

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

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

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<I> RefUnwindSafe for Weak<I> where
I: RefUnwindSafe,

impl<I> Unpin for Weak<I> where
I: Unpin,

impl<I> UnwindSafe for Weak<I> where
I: UnwindSafe,

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

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

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

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,