pub struct Context<'a> { /* private fields */ }
Expand description
The context of an asynchronous task.
Currently, Context
only serves to provide access to a &Waker
which can be used to wake the current task.
Implementations§
Source§impl<'a> Context<'a>
impl<'a> Context<'a>
1.36.0 (const: 1.82.0) · Sourcepub const fn from_waker(waker: &'a Waker) -> Context<'a>
pub const fn from_waker(waker: &'a Waker) -> Context<'a>
Creates a new Context
from a &Waker
.
1.36.0 (const: 1.82.0) · Sourcepub const fn waker(&self) -> &'a Waker
pub const fn waker(&self) -> &'a Waker
Returns a reference to the Waker
for the current task.
Sourcepub const fn local_waker(&self) -> &'a LocalWaker
🔬This is a nightly-only experimental API. (local_waker
)
pub const fn local_waker(&self) -> &'a LocalWaker
local_waker
)Returns a reference to the LocalWaker
for the current task.
Trait Implementations§
Auto Trait Implementations§
impl<'a> Freeze for Context<'a>
impl<'a> RefUnwindSafe for Context<'a>
impl<'a> !Send for Context<'a>
impl<'a> !Sync for Context<'a>
impl<'a> Unpin for Context<'a>
impl<'a> UnwindSafe for Context<'a>
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
Layout§
Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...)
attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.
Size: 32 bytes