Struct Direction

struct Direction {
    tick: usize,
    ticks: Option<(usize, usize)>,
    waker: Option<Waker>,
    wakers: Slab<Option<Waker>>,
}

A read or write direction.

Fields

tick: usize

Last reactor tick that delivered an event.

ticks: Option<(usize, usize)>

Ticks remembered by Async::poll_readable() or Async::poll_writable().

waker: Option<Waker>

Waker stored by Async::poll_readable() or Async::poll_writable().

wakers: Slab<Option<Waker>>

Wakers of tasks waiting for the next event.

Registered by Async::readable() and Async::writable().

Implementations

impl Direction

fn is_empty(&self) -> bool

Returns true if there are no wakers interested in this direction.

fn drain_into(&mut self, dst: &mut Vec<Waker>)

Moves all wakers into a Vec.

Trait Implementations

impl Debug for Direction

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

Formats the value using the given formatter.

impl Default for Direction

fn default() -> Direction

Returns the “default value” for a type.