Struct futures_util::future::TryFlattenStream

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pub struct TryFlattenStream<Fut> where
    Fut: TryFuture,  { /* private fields */ }

Expand description

Future for the try_flatten_stream method.

Trait Implementations

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impl<Fut> Debug for TryFlattenStream<Fut> where
TryFlatten<Fut, Fut::Ok>: Debug,
Fut: TryFuture,

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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<Fut> FusedStream for TryFlattenStream<Fut> where
TryFlatten<Fut, Fut::Ok>: FusedStream,
Fut: TryFuture,

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fn is_terminated(&self) -> bool

Returns true if the stream should no longer be polled.

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impl<Fut> Stream for TryFlattenStream<Fut> where
TryFlatten<Fut, Fut::Ok>: Stream,
Fut: TryFuture,

type Item = <TryFlatten<Fut, Fut::Ok> as Stream>::Item

Values yielded by the stream.

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fn poll_next(
self: Pin<&mut Self>,
cx: &mut Context<'_>
) -> Poll<Option<Self::Item>>

Attempt to pull out the next value of this stream, registering the current task for wakeup if the value is not yet available, and returning None if the stream is exhausted. Read more

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fn size_hint(&self) -> (usize, Option<usize>)

Returns the bounds on the remaining length of the stream. Read more

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impl<'pin, Fut> Unpin for TryFlattenStream<Fut> where
Origin<'__pin, Fut>: Unpin,
Fut: TryFuture,

Auto Trait Implementations

impl<Fut> RefUnwindSafe for TryFlattenStream<Fut> where
Fut: RefUnwindSafe,
<Fut as TryFuture>::Ok: RefUnwindSafe,

impl<Fut> Send for TryFlattenStream<Fut> where
Fut: Send,
<Fut as TryFuture>::Ok: Send,

impl<Fut> Sync for TryFlattenStream<Fut> where
Fut: Sync,
<Fut as TryFuture>::Ok: Sync,

impl<Fut> UnwindSafe for TryFlattenStream<Fut> where
Fut: UnwindSafe,
<Fut as TryFuture>::Ok: UnwindSafe,

Blanket Implementations

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

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pub 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,

const: unstable · source

pub 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,

const: unstable · source

pub 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

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub 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 for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<S, T, E> TryStream for S where
S: Stream<Item = Result<T, E>> + ?Sized,

type Ok = T

The type of successful values yielded by this future

type Error = E

The type of failures yielded by this future

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pub fn try_poll_next(
self: Pin<&mut S>,
cx: &mut Context<'_>
) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>

Poll this TryStream as if it were a Stream. Read more

Struct futures_util::future::TryFlattenStream

Trait Implementations

impl<Fut> Debug for TryFlattenStream<Fut> where
TryFlatten<Fut, Fut::Ok>: Debug,
Fut: TryFuture,

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

impl<Fut> FusedStream for TryFlattenStream<Fut> where
TryFlatten<Fut, Fut::Ok>: FusedStream,
Fut: TryFuture,

fn is_terminated(&self) -> bool

impl<Fut> Stream for TryFlattenStream<Fut> where
TryFlatten<Fut, Fut::Ok>: Stream,
Fut: TryFuture,

type Item = <TryFlatten<Fut, Fut::Ok> as Stream>::Item

fn poll_next(
self: Pin<&mut Self>,
cx: &mut Context<'_>
) -> Poll<Option<Self::Item>>

fn size_hint(&self) -> (usize, Option<usize>)

impl<'pin, Fut> Unpin for TryFlattenStream<Fut> where
Origin<'__pin, Fut>: Unpin,
Fut: TryFuture,

Auto Trait Implementations

impl<Fut> RefUnwindSafe for TryFlattenStream<Fut> where
Fut: RefUnwindSafe,
<Fut as TryFuture>::Ok: RefUnwindSafe,

impl<Fut> Send for TryFlattenStream<Fut> where
Fut: Send,
<Fut as TryFuture>::Ok: Send,

impl<Fut> Sync for TryFlattenStream<Fut> where
Fut: Sync,
<Fut as TryFuture>::Ok: Sync,

impl<Fut> UnwindSafe for TryFlattenStream<Fut> where
Fut: UnwindSafe,
<Fut as TryFuture>::Ok: UnwindSafe,

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where
T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where
T: ?Sized,

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

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where
U: From<T>,

pub fn into(self) -> U

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

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

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<S, T, E> TryStream for S where
S: Stream<Item = Result<T, E>> + ?Sized,

type Ok = T

type Error = E

pub fn try_poll_next(
self: Pin<&mut S>,
cx: &mut Context<'_>
) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>

Struct futures_util::future::TryFlattenStream

Trait Implementations

impl<Fut> Debug for TryFlattenStream<Fut> where TryFlatten<Fut, Fut::Ok>: Debug, Fut: TryFuture,

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

impl<Fut> FusedStream for TryFlattenStream<Fut> where TryFlatten<Fut, Fut::Ok>: FusedStream, Fut: TryFuture,

fn is_terminated(&self) -> bool

impl<Fut> Stream for TryFlattenStream<Fut> where TryFlatten<Fut, Fut::Ok>: Stream, Fut: TryFuture,

type Item = <TryFlatten<Fut, Fut::Ok> as Stream>::Item

fn poll_next( self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>>

fn size_hint(&self) -> (usize, Option<usize>)

impl<'__pin, Fut> Unpin for TryFlattenStream<Fut> where __Origin<'__pin, Fut>: Unpin, Fut: TryFuture,

Auto Trait Implementations

impl<Fut> RefUnwindSafe for TryFlattenStream<Fut> where Fut: RefUnwindSafe, <Fut as TryFuture>::Ok: RefUnwindSafe,

impl<Fut> Send for TryFlattenStream<Fut> where Fut: Send, <Fut as TryFuture>::Ok: Send,

impl<Fut> Sync for TryFlattenStream<Fut> where Fut: Sync, <Fut as TryFuture>::Ok: Sync,

impl<Fut> UnwindSafe for TryFlattenStream<Fut> where Fut: UnwindSafe, <Fut as TryFuture>::Ok: UnwindSafe,

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

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

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

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

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<S, T, E> TryStream for S where S: Stream<Item = Result<T, E>> + ?Sized,

type Ok = T

type Error = E

pub fn try_poll_next( self: Pin<&mut S>, cx: &mut Context<'_>) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>

impl<Fut> Debug for TryFlattenStream<Fut> where
TryFlatten<Fut, Fut::Ok>: Debug,
Fut: TryFuture,

impl<Fut> FusedStream for TryFlattenStream<Fut> where
TryFlatten<Fut, Fut::Ok>: FusedStream,
Fut: TryFuture,

impl<Fut> Stream for TryFlattenStream<Fut> where
TryFlatten<Fut, Fut::Ok>: Stream,
Fut: TryFuture,

fn poll_next(
self: Pin<&mut Self>,
cx: &mut Context<'_>
) -> Poll<Option<Self::Item>>

impl<'pin, Fut> Unpin for TryFlattenStream<Fut> where
Origin<'__pin, Fut>: Unpin,
Fut: TryFuture,

impl<Fut> RefUnwindSafe for TryFlattenStream<Fut> where
Fut: RefUnwindSafe,
<Fut as TryFuture>::Ok: RefUnwindSafe,

impl<Fut> Send for TryFlattenStream<Fut> where
Fut: Send,
<Fut as TryFuture>::Ok: Send,

impl<Fut> Sync for TryFlattenStream<Fut> where
Fut: Sync,
<Fut as TryFuture>::Ok: Sync,

impl<Fut> UnwindSafe for TryFlattenStream<Fut> where
Fut: UnwindSafe,
<Fut as TryFuture>::Ok: UnwindSafe,

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

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<S, T, E> TryStream for S where
S: Stream<Item = Result<T, E>> + ?Sized,

pub fn try_poll_next(
self: Pin<&mut S>,
cx: &mut Context<'_>
) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>