sfio_promise

Struct Promise

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pub struct Promise<T, V>
where
    T: FutureType<V>,
{ /* private fields */ }
Expand description

A Promise is a type that is guaranteed to complete its underlying FutureType, even if it is dropped.

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impl<T, V> Promise<T, V>
where T: FutureType<V>,

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pub fn complete(self, result: V)

Complete the promise, consuming it

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impl<T, V: Debug> Debug for Promise<T, V>
where T: FutureType<V> + Debug,

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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, V> Drop for Promise<T, V>
where T: FutureType<V>,

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fn drop(&mut self)

Executes the destructor for this type. Read more

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impl<T, V> Freeze for Promise<T, V>
where T: Freeze,

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impl<T, V> RefUnwindSafe for Promise<T, V>
where T: RefUnwindSafe, V: RefUnwindSafe,

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impl<T, V> Send for Promise<T, V>
where T: Send, V: Send,

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impl<T, V> Sync for Promise<T, V>
where T: Sync, V: Sync,

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impl<T, V> Unpin for Promise<T, V>
where T: Unpin, V: Unpin,

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impl<T, V> UnwindSafe for Promise<T, V>
where T: UnwindSafe, V: UnwindSafe,

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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<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<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<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.