[−][src]Struct futures_util::future::Then

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#[must_use = "futures do nothing unless you `.await` or poll them"]
pub struct Then<Fut1, Fut2, F> { /* fields omitted */ }

[−]

Future for the then method.

Trait Implementations

`impl<Fut1: Debug, Fut2: Debug, F: Debug> Debug for Then<Fut1, Fut2, F>`[src][+]

[+] Show hidden undocumented items

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

`impl<Fut1, Fut2, F> FusedFuture for Then<Fut1, Fut2, F> where Fut1: Future, Fut2: Future, F: FnOnce(Fut1::Output) -> Fut2,` [src][+]

[+] Show hidden undocumented items

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

`impl<Fut1, Fut2, F> Future for Then<Fut1, Fut2, F> where Fut1: Future, Fut2: Future, F: FnOnce(Fut1::Output) -> Fut2,` [src][+]

[+] Show hidden undocumented items

`type Output = Fut2::Output`

The type of value produced on completion.

`fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Fut2::Output>`[src][−]

Auto Trait Implementations

`impl<Fut1, Fut2, F> RefUnwindSafe for Then<Fut1, Fut2, F> where F: RefUnwindSafe, Fut1: RefUnwindSafe, Fut2: RefUnwindSafe,`

`impl<Fut1, Fut2, F> Send for Then<Fut1, Fut2, F> where F: Send, Fut1: Send, Fut2: Send,`

`impl<Fut1, Fut2, F> Sync for Then<Fut1, Fut2, F> where F: Sync, Fut1: Sync, Fut2: Sync,`

`impl<Fut1, Fut2, F> Unpin for Then<Fut1, Fut2, F> where Fut1: Unpin, Fut2: Unpin,`

`impl<Fut1, Fut2, F> UnwindSafe for Then<Fut1, Fut2, F> where F: UnwindSafe, Fut1: UnwindSafe, Fut2: UnwindSafe,`

Blanket Implementations

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

[+] Show hidden undocumented items

`fn type_id(&self) -> TypeId`[src][−]

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

[+] Show hidden undocumented items

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

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

[+] Show hidden undocumented items

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

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

[+] Show hidden undocumented items

`fn from(t: T) -> T`[src][−]

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

[+] Show hidden undocumented items

`fn into(self) -> U`[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.

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

`impl<F, T, E> TryFuture for F where F: Future<Output = 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

`fn try_poll(self: Pin<&mut F>, cx: &mut Context) -> Poll<<F as Future>::Output>`[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.

[−][src]Struct futures_util::future::Then

Trait Implementations

`impl<Fut1: Debug, Fut2: Debug, F: Debug> Debug for Then<Fut1, Fut2, F>`[src][+]

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

`impl<Fut1, Fut2, F> FusedFuture for Then<Fut1, Fut2, F> where Fut1: Future, Fut2: Future, F: FnOnce(Fut1::Output) -> Fut2,` [src][+]

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

`impl<Fut1, Fut2, F> Future for Then<Fut1, Fut2, F> where Fut1: Future, Fut2: Future, F: FnOnce(Fut1::Output) -> Fut2,` [src][+]

`type Output = Fut2::Output`

`fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Fut2::Output>`[src][−]

Auto Trait Implementations

`impl<Fut1, Fut2, F> RefUnwindSafe for Then<Fut1, Fut2, F> where F: RefUnwindSafe, Fut1: RefUnwindSafe, Fut2: RefUnwindSafe,`

`impl<Fut1, Fut2, F> Send for Then<Fut1, Fut2, F> where F: Send, Fut1: Send, Fut2: Send,`

`impl<Fut1, Fut2, F> Sync for Then<Fut1, Fut2, F> where F: Sync, Fut1: Sync, Fut2: Sync,`

`impl<Fut1, Fut2, F> Unpin for Then<Fut1, Fut2, F> where Fut1: Unpin, Fut2: Unpin,`

`impl<Fut1, Fut2, F> UnwindSafe for Then<Fut1, Fut2, F> where F: UnwindSafe, Fut1: UnwindSafe, Fut2: UnwindSafe,`

Blanket Implementations

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

`fn type_id(&self) -> TypeId`[src][−]

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

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

Important traits for &'_ mut F

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

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

Important traits for &'_ mut F

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

`fn from(t: T) -> T`[src][−]

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

`fn into(self) -> U`[src][−]

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

`type Error = Infallible`

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

`impl<F, T, E> TryFuture for F where F: Future<Output = Result<T, E>> + ?Sized,` [src][+]

`type Ok = T`

`type Error = E`

`fn try_poll(self: Pin<&mut F>, cx: &mut Context) -> Poll<<F as Future>::Output>`[src][−]

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

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

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

[−][src]Struct futures_util::future::Then

Trait Implementations

impl<Fut1: Debug, Fut2: Debug, F: Debug> Debug for Then<Fut1, Fut2, F>[src][+]

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

impl<Fut1, Fut2, F> FusedFuture for Then<Fut1, Fut2, F> where Fut1: Future, Fut2: Future, F: FnOnce(Fut1::Output) -> Fut2, [src][+]

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

impl<Fut1, Fut2, F> Future for Then<Fut1, Fut2, F> where Fut1: Future, Fut2: Future, F: FnOnce(Fut1::Output) -> Fut2, [src][+]

type Output = Fut2::Output

fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Fut2::Output>[src][−]

Auto Trait Implementations

impl<Fut1, Fut2, F> RefUnwindSafe for Then<Fut1, Fut2, F> where F: RefUnwindSafe, Fut1: RefUnwindSafe, Fut2: RefUnwindSafe,

impl<Fut1, Fut2, F> Send for Then<Fut1, Fut2, F> where F: Send, Fut1: Send, Fut2: Send,

impl<Fut1, Fut2, F> Sync for Then<Fut1, Fut2, F> where F: Sync, Fut1: Sync, Fut2: Sync,

impl<Fut1, Fut2, F> Unpin for Then<Fut1, Fut2, F> where Fut1: Unpin, Fut2: Unpin,

impl<Fut1, Fut2, F> UnwindSafe for Then<Fut1, Fut2, F> where F: UnwindSafe, Fut1: UnwindSafe, Fut2: UnwindSafe,

Blanket Implementations

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

fn type_id(&self) -> TypeId[src][−]

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

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

Important traits for &'_ mut F

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

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

Important traits for &'_ mut F

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

fn from(t: T) -> T[src][−]

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

fn into(self) -> U[src][−]

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

type Error = Infallible

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

impl<F, T, E> TryFuture for F where F: Future<Output = Result<T, E>> + ?Sized, [src][+]

type Ok = T

type Error = E

fn try_poll(self: Pin<&mut F>, cx: &mut Context) -> Poll<<F as Future>::Output>[src][−]

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

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

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

`impl<Fut1: Debug, Fut2: Debug, F: Debug> Debug for Then<Fut1, Fut2, F>`[src][+]

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

`impl<Fut1, Fut2, F> FusedFuture for Then<Fut1, Fut2, F> where Fut1: Future, Fut2: Future, F: FnOnce(Fut1::Output) -> Fut2,` [src][+]

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

`impl<Fut1, Fut2, F> Future for Then<Fut1, Fut2, F> where Fut1: Future, Fut2: Future, F: FnOnce(Fut1::Output) -> Fut2,` [src][+]

`type Output = Fut2::Output`

`fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Fut2::Output>`[src][−]

`impl<Fut1, Fut2, F> RefUnwindSafe for Then<Fut1, Fut2, F> where F: RefUnwindSafe, Fut1: RefUnwindSafe, Fut2: RefUnwindSafe,`

`impl<Fut1, Fut2, F> Send for Then<Fut1, Fut2, F> where F: Send, Fut1: Send, Fut2: Send,`

`impl<Fut1, Fut2, F> Sync for Then<Fut1, Fut2, F> where F: Sync, Fut1: Sync, Fut2: Sync,`

`impl<Fut1, Fut2, F> Unpin for Then<Fut1, Fut2, F> where Fut1: Unpin, Fut2: Unpin,`

`impl<Fut1, Fut2, F> UnwindSafe for Then<Fut1, Fut2, F> where F: UnwindSafe, Fut1: UnwindSafe, Fut2: UnwindSafe,`

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

`fn type_id(&self) -> TypeId`[src][−]

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

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

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

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

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

`fn from(t: T) -> T`[src][−]

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

`fn into(self) -> U`[src][−]

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

`type Error = Infallible`

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

`impl<F, T, E> TryFuture for F where F: Future<Output = Result<T, E>> + ?Sized,` [src][+]

`type Ok = T`

`type Error = E`

`fn try_poll(self: Pin<&mut F>, cx: &mut Context) -> Poll<<F as Future>::Output>`[src][−]

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

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

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