Struct futures::task::Context

pub struct Context<'a> { /* private fields */ }

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

impl<'a> Context<'a>

pub const fn from_waker(waker: &'a Waker) -> Context<'a>

Creates a new Context from a &Waker.

pub const fn waker(&self) -> &'a Waker

Returns a reference to the Waker for the current task.

pub const fn local_waker(&self) -> &'a LocalWaker

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

Returns a reference to the LocalWaker for the current task.

pub const fn ext(&mut self) -> &mut (dyn Any + 'static)

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

Returns a reference to the extension data for the current task.

Trait Implementations

impl Debug for Context<'_>

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

Formats the value using the given formatter.

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