WebTask

Struct WebTask 

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pub struct WebTask<T> { /* private fields */ }
Available on crate feature web only.
Expand description

Task wrapper for web/WASM environment.

This task type provides task management for web environments where panic catching is not available. Unlike other task implementations, panics cannot be caught and will terminate the entire WASM module.

This is a simple wrapper that just awaits the spawned future directly.

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impl<T> Debug for WebTask<T>

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

Formats the value using the given formatter. Read more
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impl<T> Future for WebTask<T>

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type Output = T

The type of value produced on completion.
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fn poll(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Self::Output>

Attempts to resolve the future to a final value, registering the current task for wakeup if the value is not yet available. Read more
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impl<T: 'static> Task<T> for WebTask<T>

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fn poll_result( self: Pin<&mut Self>, _cx: &mut Context<'_>, ) -> Poll<Result<T, Box<dyn Any + Send>>>

Poll the task for completion, returning a Result that can contain errors. Read more
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fn poll_cancel(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<()>

Poll for task cancellation. Read more
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fn result(self) -> impl Future<Output = Result<T, Box<dyn Any + Send>>>
where Self: Sized,

Get the result of the task, including any errors that occurred. Read more
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fn detach(self)
where Self: Sized,

Detach the task, allowing it to run in the background without being awaited. Read more
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fn cancel(self) -> impl Future<Output = ()>
where Self: Sized,

Cancel the task. Read more

Auto Trait Implementations§

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impl<T> Freeze for WebTask<T>

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impl<T> RefUnwindSafe for WebTask<T>
where T: RefUnwindSafe,

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impl<T> Send for WebTask<T>
where T: Send,

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impl<T> Sync for WebTask<T>
where T: Sync,

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impl<T> Unpin for WebTask<T>
where T: Unpin,

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impl<T> UnwindSafe for WebTask<T>
where T: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<F> FutureExt for F
where F: Future + ?Sized,

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fn poll(&mut self, cx: &mut Context<'_>) -> Poll<Self::Output>
where Self: Unpin,

A convenience for calling Future::poll() on !Unpin types.
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fn or<F>(self, other: F) -> Or<Self, F>
where Self: Sized, F: Future<Output = Self::Output>,

Returns the result of self or other future, preferring self if both are ready. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<F> IntoFuture for F
where F: Future,

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type Output = <F as Future>::Output

The output that the future will produce on completion.
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type IntoFuture = F

Which kind of future are we turning this into?
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fn into_future(self) -> <F as IntoFuture>::IntoFuture

Creates a future from a value. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<F, T, E> TryFuture for F
where F: Future<Output = Result<T, E>> + ?Sized,

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type Ok = T

The type of successful values yielded by this future
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type Error = E

The type of failures yielded by this future
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fn try_poll( self: Pin<&mut F>, cx: &mut Context<'_>, ) -> Poll<<F as Future>::Output>

Poll this TryFuture as if it were a Future. Read more
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.