Enum DoneHandle 

pub enum DoneHandle {
    Never,
    Active(Arc<CancelState>),
}

Done() 的返回句柄。

Variants

Never

Active(Arc<CancelState>)

Implementations

impl DoneHandle

pub const fn never() -> Self

pub fn is_done(&self) -> bool

pub fn wait(&self)

pub fn wait_timeout(&self, dur: Duration) -> bool

pub fn register(&self, cb: impl FnOnce() + Send + 'static) -> StopFunc

Trait Implementations

impl Clone for DoneHandle

fn clone(&self) -> DoneHandle

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DoneHandle

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

Formats the value using the given formatter.