[−][src]Struct tower_web::extract::option::ExtractOptionFuture
Extract an Option value from an HTTP request.
Trait Implementations
impl<T> ExtractFuture for ExtractOptionFuture<T> where
T: ExtractFuture, [src]
T: ExtractFuture,
type Item = Option<T::Item>
The argument extracted from the request.
fn poll(&mut self) -> Poll<(), Error>[src]
fn extract(self) -> Self::Item[src]
impl<T: Debug> Debug for ExtractOptionFuture<T>[src]
Auto Trait Implementations
impl<T> Send for ExtractOptionFuture<T> where
T: Send,
T: Send,
impl<T> Sync for ExtractOptionFuture<T> where
T: Sync,
T: Sync,
Blanket Implementations
impl<T> From for T[src]
impl<T, U> Into for T where
U: From<T>, [src]
U: From<T>,
impl<T, U> TryFrom for T where
U: Into<T>, [src]
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>[src]
impl<T> Borrow for T where
T: ?Sized, [src]
T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized, [src]
T: 'static + ?Sized,
impl<T> BorrowMut for T where
T: ?Sized, [src]
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T[src]
impl<T, U> TryInto for T where
U: TryFrom<T>, [src]
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>[src]
impl<T> Same for T
type Output = T
Should always be Self