Map

async_callback_manager

Struct Map 

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pub struct Map<T, F> { /* private fields */ }

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impl<Bkend, T, S, F, Ct, O, E> BackendStreamingTask<Bkend> for Map<T, F>
where Bkend: Clone + Sync + Send + 'static, F: Sync + Send + 'static + FnOnce(O) -> S, T: BackendTask<Bkend, MetadataType = Ct, Output = Result<O, E>>, S: BackendStreamingTask<Bkend, MetadataType = Ct>, Ct: PartialEq, E: Send + 'static, O: Send,

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type Output = Result<<S as BackendStreamingTask<Bkend>>::Output, E>

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type MetadataType = Ct

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fn into_stream( self, backend: &Bkend, ) -> impl Stream<Item = Self::Output> + Send + Unpin + 'static

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fn metadata() -> Vec<Self::MetadataType>

Metadata provides a way of grouping different tasks for use in constraints, if you override the default implementation.
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impl<T, F> Debug for Map<T, F>
where T: 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, F> Freeze for Map<T, F>
where T: Freeze, F: Freeze,

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impl<T, F> RefUnwindSafe for Map<T, F>
where T: RefUnwindSafe, F: RefUnwindSafe,

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impl<T, F> Send for Map<T, F>
where T: Send, F: Send,

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impl<T, F> Sync for Map<T, F>
where T: Sync, F: Sync,

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impl<T, F> Unpin for Map<T, F>
where T: Unpin, F: Unpin,

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impl<T, F> UnwindSafe for Map<T, F>
where T: UnwindSafe, F: 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<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.