[−][src]Struct pagecache::Promise
A Future value which may or may not be filled
Methods
impl<T> Promise<T>[src]
pub fn pair() -> (PromiseFiller<T>, Self)[src]
Create a new PromiseFiller and the Promise that will be filled by its completion.
pub fn wait(self) -> Option<T>[src]
Block on the Promise's completion or dropping of the PromiseFiller
pub fn unwrap(self) -> T[src]
Block on the Promise's completion or dropping of the PromiseFiller.
Panics
panics if the PromiseFiller is dropped without completing the promise.
Trait Implementations
Auto Trait Implementations
impl<T> Sync for Promise<T> where
T: Send,
T: Send,
impl<T> Send for Promise<T> where
T: Send,
T: Send,
impl<T> Unpin for Promise<T>
impl<T> !UnwindSafe for Promise<T>
impl<T> !RefUnwindSafe for Promise<T>
Blanket Implementations
impl<T> From<T> for T[src]
impl<T, U> Into<U> for T where
U: From<T>, [src]
U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>, [src]
U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]
impl<T, U> TryInto<U> for T where
U: TryFrom<T>, [src]
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]
impl<T> Borrow<T> for T where
T: ?Sized, [src]
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized, [src]
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T[src]
impl<T> Any for T where
T: 'static + ?Sized, [src]
T: 'static + ?Sized,