[−][src]Struct futures::stream::Concat2
A stream combinator to concatenate the results of a stream into the first yielded item.
This structure is produced by the Stream::concat2
method.
Trait Implementations
impl<S> Future for Concat2<S> where
S: Stream,
S::Item: Extend<<<S as Stream>::Item as IntoIterator>::Item> + IntoIterator + Default,
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S: Stream,
S::Item: Extend<<<S as Stream>::Item as IntoIterator>::Item> + IntoIterator + Default,
type Item = S::Item
The type of value that this future will resolved with if it is successful. Read more
type Error = S::Error
The type of error that this future will resolve with if it fails in a normal fashion. Read more
fn poll(&mut self) -> Poll<Self::Item, Self::Error>
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fn wait(self) -> Result<Self::Item, Self::Error> where
Self: Sized,
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Self: Sized,
fn map<F, U>(self, f: F) -> Map<Self, F> where
F: FnOnce(Self::Item) -> U,
Self: Sized,
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F: FnOnce(Self::Item) -> U,
Self: Sized,
fn map_err<F, E>(self, f: F) -> MapErr<Self, F> where
F: FnOnce(Self::Error) -> E,
Self: Sized,
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F: FnOnce(Self::Error) -> E,
Self: Sized,
fn from_err<E: From<Self::Error>>(self) -> FromErr<Self, E> where
Self: Sized,
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Self: Sized,
fn then<F, B>(self, f: F) -> Then<Self, B, F> where
F: FnOnce(Result<Self::Item, Self::Error>) -> B,
B: IntoFuture,
Self: Sized,
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F: FnOnce(Result<Self::Item, Self::Error>) -> B,
B: IntoFuture,
Self: Sized,
fn and_then<F, B>(self, f: F) -> AndThen<Self, B, F> where
F: FnOnce(Self::Item) -> B,
B: IntoFuture<Error = Self::Error>,
Self: Sized,
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F: FnOnce(Self::Item) -> B,
B: IntoFuture<Error = Self::Error>,
Self: Sized,
fn or_else<F, B>(self, f: F) -> OrElse<Self, B, F> where
F: FnOnce(Self::Error) -> B,
B: IntoFuture<Item = Self::Item>,
Self: Sized,
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F: FnOnce(Self::Error) -> B,
B: IntoFuture<Item = Self::Item>,
Self: Sized,
fn select<B>(self, other: B) -> Select<Self, B::Future> where
B: IntoFuture<Item = Self::Item, Error = Self::Error>,
Self: Sized,
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B: IntoFuture<Item = Self::Item, Error = Self::Error>,
Self: Sized,
fn select2<B>(self, other: B) -> Select2<Self, B::Future> where
B: IntoFuture,
Self: Sized,
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B: IntoFuture,
Self: Sized,
fn join<B>(self, other: B) -> Join<Self, B::Future> where
B: IntoFuture<Error = Self::Error>,
Self: Sized,
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B: IntoFuture<Error = Self::Error>,
Self: Sized,
fn join3<B, C>(self, b: B, c: C) -> Join3<Self, B::Future, C::Future> where
B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
Self: Sized,
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B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
Self: Sized,
fn join4<B, C, D>(
self,
b: B,
c: C,
d: D
) -> Join4<Self, B::Future, C::Future, D::Future> where
B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
D: IntoFuture<Error = Self::Error>,
Self: Sized,
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self,
b: B,
c: C,
d: D
) -> Join4<Self, B::Future, C::Future, D::Future> where
B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
D: IntoFuture<Error = Self::Error>,
Self: Sized,
fn join5<B, C, D, E>(
self,
b: B,
c: C,
d: D,
e: E
) -> Join5<Self, B::Future, C::Future, D::Future, E::Future> where
B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
D: IntoFuture<Error = Self::Error>,
E: IntoFuture<Error = Self::Error>,
Self: Sized,
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self,
b: B,
c: C,
d: D,
e: E
) -> Join5<Self, B::Future, C::Future, D::Future, E::Future> where
B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
D: IntoFuture<Error = Self::Error>,
E: IntoFuture<Error = Self::Error>,
Self: Sized,
fn into_stream(self) -> IntoStream<Self> where
Self: Sized,
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Self: Sized,
fn flatten(self) -> Flatten<Self> where
Self::Item: IntoFuture,
<Self::Item as IntoFuture>::Error: From<Self::Error>,
Self: Sized,
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Self::Item: IntoFuture,
<Self::Item as IntoFuture>::Error: From<Self::Error>,
Self: Sized,
fn flatten_stream(self) -> FlattenStream<Self> where
Self::Item: Stream<Error = Self::Error>,
Self: Sized,
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Self::Item: Stream<Error = Self::Error>,
Self: Sized,
fn fuse(self) -> Fuse<Self> where
Self: Sized,
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Self: Sized,
fn inspect<F>(self, f: F) -> Inspect<Self, F> where
F: FnOnce(&Self::Item),
Self: Sized,
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F: FnOnce(&Self::Item),
Self: Sized,
fn catch_unwind(self) -> CatchUnwind<Self> where
Self: Sized + UnwindSafe,
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Self: Sized + UnwindSafe,
fn shared(self) -> Shared<Self> where
Self: Sized,
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Self: Sized,
impl<S: Debug> Debug for Concat2<S> where
S: Stream,
S::Item: Debug,
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S: Stream,
S::Item: Debug,
Auto Trait Implementations
impl<S> Unpin for Concat2<S> where
S: Unpin,
<S as Stream>::Item: Unpin,
S: Unpin,
<S as Stream>::Item: Unpin,
impl<S> Send for Concat2<S> where
S: Send,
<S as Stream>::Item: Send,
S: Send,
<S as Stream>::Item: Send,
impl<S> Sync for Concat2<S> where
S: Sync,
<S as Stream>::Item: Sync,
S: Sync,
<S as Stream>::Item: Sync,
impl<S> UnwindSafe for Concat2<S> where
S: UnwindSafe,
<S as Stream>::Item: UnwindSafe,
S: UnwindSafe,
<S as Stream>::Item: UnwindSafe,
impl<S> RefUnwindSafe for Concat2<S> where
S: RefUnwindSafe,
<S as Stream>::Item: RefUnwindSafe,
S: RefUnwindSafe,
<S as Stream>::Item: RefUnwindSafe,
Blanket Implementations
impl<F> IntoFuture for F where
F: Future,
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F: Future,
type Future = F
The future that this type can be converted into.
type Item = <F as Future>::Item
The item that the future may resolve with.
type Error = <F as Future>::Error
The error that the future may resolve with.
fn into_future(Self) -> F
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impl<T> From<T> for T
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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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>
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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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>
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,