Struct windows::core::Weak

pub struct Weak<I>(/* private fields */)
where
    I: ComInterface;

Weak holds a non-owning reference to an object.

Implementations

impl<I> Weak<I>where I: ComInterface,

pub fn new() -> Weak<I>

Creates a new Weak object without any backing object.

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

Attempts to upgrade the weak reference to a strong reference.

Trait Implementations

impl<I> Clone for Weak<I>where I: Clone + ComInterface,

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

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<I> Default for Weak<I>where I: Default + ComInterface,

fn default() -> Weak<I>

Returns the “default value” for a type.

impl<I> PartialEq for Weak<I>where I: PartialEq + ComInterface,

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

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

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<I> Eq for Weak<I>where I: Eq + ComInterface,

impl<I> StructuralEq for Weak<I>where I: ComInterface,

impl<I> StructuralPartialEq for Weak<I>where I: ComInterface,