Struct futures_util::stream::Next[−][src]

pub struct Next<'a, St: ?Sized> { /* fields omitted */ }

Expand description

Future for the next method.

Trait Implementations

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impl<'a, St: Debug + ?Sized> Debug for Next<'a, St>

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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<St: ?Sized + FusedStream + Unpin> FusedFuture for Next<'_, St>

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fn is_terminated(&self) -> bool

Returns true if the underlying future should no longer be polled.

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impl<St: ?Sized + Stream + Unpin> Future for Next<'_, St>

type Output = Option<St::Item>

The type of value produced on completion.

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

Attempt 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<St: ?Sized + Unpin> Unpin for Next<'_, St>

Auto Trait Implementations

impl<'a, St: ?Sized> RefUnwindSafe for Next<'a, St> where
St: RefUnwindSafe,

impl<'a, St: ?Sized> Send for Next<'a, St> where
St: Send,

impl<'a, St: ?Sized> Sync for Next<'a, St> where
St: Sync,

impl<'a, St> !UnwindSafe for Next<'a, St>

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,

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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,

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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

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pub fn from(t: T) -> T

Performs the conversion.

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

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pub fn into(self) -> U

Performs the conversion.

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

type Output = <F as Future>::Output

🔬 This is a nightly-only experimental API. (into_future)

The output that the future will produce on completion.

type Future = F

🔬 This is a nightly-only experimental API. (into_future)

Which kind of future are we turning this into?

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pub fn into_future(self) -> <F as IntoFuture>::Future

🔬 This is a nightly-only experimental API. (into_future)

Creates a future from a value.

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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.

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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.

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

Performs the conversion.

Struct futures_util::stream::Next[−][src]

Trait Implementations

impl<'a, St: Debug + ?Sized> Debug for Next<'a, St>

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

impl<St: ?Sized + FusedStream + Unpin> FusedFuture for Next<'_, St>

fn is_terminated(&self) -> bool

impl<St: ?Sized + Stream + Unpin> Future for Next<'_, St>

type Output = Option<St::Item>

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

impl<St: ?Sized + Unpin> Unpin for Next<'_, St>

Auto Trait Implementations

impl<'a, St: ?Sized> RefUnwindSafe for Next<'a, St> where
St: RefUnwindSafe,

impl<'a, St: ?Sized> Send for Next<'a, St> where
St: Send,

impl<'a, St: ?Sized> Sync for Next<'a, St> where
St: Sync,

impl<'a, St> !UnwindSafe for Next<'a, St>

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<F> IntoFuture for F where
F: Future,

type Output = <F as Future>::Output

type Future = F

pub fn into_future(self) -> <F as IntoFuture>::Future

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>

Struct futures_util::stream::Next[−][src]

Trait Implementations

impl<'a, St: Debug + ?Sized> Debug for Next<'a, St>

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

impl<St: ?Sized + FusedStream + Unpin> FusedFuture for Next<'_, St>

fn is_terminated(&self) -> bool

impl<St: ?Sized + Stream + Unpin> Future for Next<'_, St>

type Output = Option<St::Item>

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

impl<St: ?Sized + Unpin> Unpin for Next<'_, St>

Auto Trait Implementations

impl<'a, St: ?Sized> RefUnwindSafe for Next<'a, St> where St: RefUnwindSafe,

impl<'a, St: ?Sized> Send for Next<'a, St> where St: Send,

impl<'a, St: ?Sized> Sync for Next<'a, St> where St: Sync,

impl<'a, St> !UnwindSafe for Next<'a, St>

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<F> IntoFuture for F where F: Future,

type Output = <F as Future>::Output

type Future = F

pub fn into_future(self) -> <F as IntoFuture>::Future

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<'a, St: ?Sized> RefUnwindSafe for Next<'a, St> where
St: RefUnwindSafe,

impl<'a, St: ?Sized> Send for Next<'a, St> where
St: Send,

impl<'a, St: ?Sized> Sync for Next<'a, St> where
St: Sync,

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<F> IntoFuture for F where
F: Future,

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

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