Struct futures_util::stream::Count

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pub struct Count<St> { /* private fields */ }

Expand description

Future for the count method.

Trait Implementations

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impl<St> Debug for Count<St>where
St: 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<St: FusedStream> FusedFuture for Count<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: Stream> Future for Count<St>

type Output = usize

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<'pin, St> Unpin for Count<St>where
Origin<'__pin, St>: Unpin,

Auto Trait Implementations

impl<St> RefUnwindSafe for Count<St>where
St: RefUnwindSafe,

impl<St> Send for Count<St>where
St: Send,

impl<St> Sync for Count<St>where
St: Sync,

impl<St> UnwindSafe for Count<St>where
St: UnwindSafe,

Blanket Implementations

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

const: unstable

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

const: unstable

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

impl<F> IntoFuture for Fwhere
F: Future,

type Output = <F as Future>::Output

The output that the future will produce on completion.

type IntoFuture = F

Which kind of future are we turning this into?

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

Creates a future from a value. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable

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

Performs the conversion.

Struct futures_util::stream::Count

Trait Implementations

impl<St> Debug for Count<St>where
St: Debug,

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

impl<St: FusedStream> FusedFuture for Count<St>

fn is_terminated(&self) -> bool

impl<St: Stream> Future for Count<St>

type Output = usize

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

impl<'pin, St> Unpin for Count<St>where
Origin<'__pin, St>: Unpin,

Auto Trait Implementations

impl<St> RefUnwindSafe for Count<St>where
St: RefUnwindSafe,

impl<St> Send for Count<St>where
St: Send,

impl<St> Sync for Count<St>where
St: Sync,

impl<St> UnwindSafe for Count<St>where
St: UnwindSafe,

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<F> IntoFuture for Fwhere
F: Future,

type Output = <F as Future>::Output

type IntoFuture = F

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

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

type Error = Infallible

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

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

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

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

Struct futures_util::stream::Count

Trait Implementations

impl<St> Debug for Count<St>where St: Debug,

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

impl<St: FusedStream> FusedFuture for Count<St>

fn is_terminated(&self) -> bool

impl<St: Stream> Future for Count<St>

type Output = usize

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

impl<'__pin, St> Unpin for Count<St>where __Origin<'__pin, St>: Unpin,

Auto Trait Implementations

impl<St> RefUnwindSafe for Count<St>where St: RefUnwindSafe,

impl<St> Send for Count<St>where St: Send,

impl<St> Sync for Count<St>where St: Sync,

impl<St> UnwindSafe for Count<St>where St: UnwindSafe,

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<F> IntoFuture for Fwhere F: Future,

type Output = <F as Future>::Output

type IntoFuture = F

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

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

type Error = Infallible

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

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

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

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

impl<St> Debug for Count<St>where
St: Debug,

impl<'pin, St> Unpin for Count<St>where
Origin<'__pin, St>: Unpin,

impl<St> RefUnwindSafe for Count<St>where
St: RefUnwindSafe,

impl<St> Send for Count<St>where
St: Send,

impl<St> Sync for Count<St>where
St: Sync,

impl<St> UnwindSafe for Count<St>where
St: UnwindSafe,

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

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

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

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

impl<F> IntoFuture for Fwhere
F: Future,

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

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