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

#[must_use = "streams do nothing unless polled"]
pub struct Empty<T> { /* fields omitted */ }

[−]

Stream for the empty function.

Trait Implementations

`impl<T> Clone for Empty<T>`[src]

[+] Show hidden undocumented items

`fn clone(&self) -> Self`[src][−]

`pub fn clone_from(&mut self, source: &Self)`1.0.0 [src][−]

`impl<T: Debug> Debug for Empty<T>`[src]

[+] Show hidden undocumented items

`fn fmt(&self, f: &mut Formatter<'_>) -> Result`[src][−]

`impl<T> FusedStream for Empty<T>`[src]

[+] Show hidden undocumented items

`fn is_terminated(&self) -> bool`[src][−]

`impl<T> Stream for Empty<T>`[src]

[+] Show hidden undocumented items

`type Item = T`

Values yielded by the stream.

`fn poll_next( self: Pin<&mut Self>, _: &mut Context<'_> ) -> Poll<Option<Self::Item>>`[src][−]

`fn size_hint(&self) -> (usize, Option<usize>)`[src][−]

`impl<T> Unpin for Empty<T>`[src]

Auto Trait Implementations

`impl<T> RefUnwindSafe for Empty<T> where T: RefUnwindSafe,`

`impl<T> Send for Empty<T> where T: Send,`

`impl<T> Sync for Empty<T> where T: Sync,`

`impl<T> UnwindSafe for Empty<T> where T: UnwindSafe,`

Blanket Implementations

`impl<T> Any for T where T: 'static + ?Sized,` [src]

[+] Show hidden undocumented items

`pub fn type_id(&self) -> TypeId`[src][−]

`impl<T> Borrow<T> for T where T: ?Sized,` [src]

[+] Show hidden undocumented items

`pub fn borrow(&self) -> &TⓘNotable traits for &'_ mut F impl<'_, F> Future for &'_ mut F where F: Future + Unpin + ?Sized, type Output = <F as Future>::Output;`[src][−]

`impl<T> BorrowMut<T> for T where T: ?Sized,` [src]

[+] Show hidden undocumented items

`pub fn borrow_mut(&mut self) -> &mut TⓘNotable traits for &'_ mut F impl<'_, F> Future for &'_ mut F where F: Future + Unpin + ?Sized, type Output = <F as Future>::Output;`[src][−]

`impl<T> From<T> for T`[src]

[+] Show hidden undocumented items

`pub fn from(t: T) -> T`[src][−]

`impl<T, U> Into for T where U: From<T>,` [src]

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`pub fn into(self) -> U`[src][−]

`impl<T> ToOwned for T where T: Clone,` [src]

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`type Owned = T`

The resulting type after obtaining ownership.

`pub fn to_owned(&self) -> T`[src][−]

`pub fn clone_into(&self, target: &mut T)`[src][−]

`impl<T, U> TryFrom for T where U: Into<T>,` [src]

[+] Show hidden undocumented items

`type Error = Infallible`

The type returned in the event of a conversion error.

`pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>`[src][−]

`impl<T, U> TryInto for T where U: TryFrom<T>,` [src]

[+] Show hidden undocumented items

`type Error = >::Error`

The type returned in the event of a conversion error.

`pub fn try_into(self) -> Result<U, >::Error>`[src][−]

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

[+] Show hidden undocumented items

`type Ok = T`

The type of successful values yielded by this future

`type Error = E`

The type of failures yielded by this future

Struct futures_util::stream::Empty⎘[−][src]

Trait Implementations

impl<T> Clone for Empty<T>[src]

fn clone(&self) -> Self[src][−]

pub fn clone_from(&mut self, source: &Self)1.0.0[src][−]

impl<T: Debug> Debug for Empty<T>[src]

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

impl<T> FusedStream for Empty<T>[src]

fn is_terminated(&self) -> bool[src][−]

impl<T> Stream for Empty<T>[src]

type Item = T

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

fn size_hint(&self) -> (usize, Option<usize>)[src][−]

impl<T> Unpin for Empty<T>[src]

Auto Trait Implementations

impl<T> RefUnwindSafe for Empty<T> where T: RefUnwindSafe,

impl<T> Send for Empty<T> where T: Send,

impl<T> Sync for Empty<T> where T: Sync,

impl<T> UnwindSafe for Empty<T> where T: UnwindSafe,

Blanket Implementations

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

pub fn type_id(&self) -> TypeId[src][−]

impl<T> Borrow<T> for T where T: ?Sized, [src]

pub fn borrow(&self) -> &TⓘNotable traits for &'_ mut Fimpl<'_, F> Future for &'_ mut F where F: Future + Unpin + ?Sized, type Output = <F as Future>::Output;[src][−]

Notable traits for &'_ mut F

impl<T> BorrowMut<T> for T where T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut TⓘNotable traits for &'_ mut Fimpl<'_, F> Future for &'_ mut F where F: Future + Unpin + ?Sized, type Output = <F as Future>::Output;[src][−]

Notable traits for &'_ mut F

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src][−]

impl<T, U> Into<U> for T where U: From<T>, [src]

pub fn into(self) -> U[src][−]

impl<T> ToOwned for T where T: Clone, [src]

type Owned = T

pub fn to_owned(&self) -> T[src][−]

pub fn clone_into(&self, target: &mut T)[src][−]

impl<T, U> TryFrom<U> for T where U: Into<T>, [src]

type Error = Infallible

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

impl<T, U> TryInto<U> for T where U: TryFrom<T>, [src]

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

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

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

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>>>[src][−]

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

`impl<T> Clone for Empty<T>`[src]

`fn clone(&self) -> Self`[src][−]

`pub fn clone_from(&mut self, source: &Self)`1.0.0 [src][−]

`impl<T: Debug> Debug for Empty<T>`[src]

`fn fmt(&self, f: &mut Formatter<'_>) -> Result`[src][−]

`impl<T> FusedStream for Empty<T>`[src]

`fn is_terminated(&self) -> bool`[src][−]

`impl<T> Stream for Empty<T>`[src]

`type Item = T`

`fn poll_next( self: Pin<&mut Self>, _: &mut Context<'_> ) -> Poll<Option<Self::Item>>`[src][−]

`fn size_hint(&self) -> (usize, Option<usize>)`[src][−]

`impl<T> Unpin for Empty<T>`[src]

`impl<T> RefUnwindSafe for Empty<T> where T: RefUnwindSafe,`

`impl<T> Send for Empty<T> where T: Send,`

`impl<T> Sync for Empty<T> where T: Sync,`

`impl<T> UnwindSafe for Empty<T> where T: UnwindSafe,`

`impl<T> Any for T where T: 'static + ?Sized,` [src]

`pub fn type_id(&self) -> TypeId`[src][−]

`impl<T> Borrow<T> for T where T: ?Sized,` [src]

`pub fn borrow(&self) -> &TⓘNotable traits for &'_ mut F impl<'_, F> Future for &'_ mut F where F: Future + Unpin + ?Sized, type Output = <F as Future>::Output;`[src][−]

`impl<T> BorrowMut<T> for T where T: ?Sized,` [src]

`pub fn borrow_mut(&mut self) -> &mut TⓘNotable traits for &'_ mut F impl<'_, F> Future for &'_ mut F where F: Future + Unpin + ?Sized, type Output = <F as Future>::Output;`[src][−]

`impl<T> From<T> for T`[src]

`pub fn from(t: T) -> T`[src][−]

`impl<T, U> Into<U> for T where U: From<T>,` [src]

`pub fn into(self) -> U`[src][−]

`impl<T> ToOwned for T where T: Clone,` [src]

`type Owned = T`

`pub fn to_owned(&self) -> T`[src][−]

`pub fn clone_into(&self, target: &mut T)`[src][−]

`impl<T, U> TryFrom<U> for T where U: Into<T>,` [src]

`type Error = Infallible`

`pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>`[src][−]

`impl<T, U> TryInto<U> for T where U: TryFrom<T>,` [src]

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

`pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>`[src][−]

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

`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>>>`[src][−]