[−][src]Struct tower_util::error::optional::None

pub struct None(_);

Error returned if the inner Service has not been set.

Trait Implementations

`impl Debug for None`[src]

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

`impl Display for None`[src]

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

`impl Error for None`[src]

`fn description(&self) -> &str`1.0.0[src]

`fn cause(&self) -> Option<&dyn Error>`1.0.0[src]

`fn source(&self) -> Option<&(dyn Error + 'static)>`1.30.0[src]

`fn backtrace(&self) -> Option<&Backtrace>`[src]

Auto Trait Implementations

`impl RefUnwindSafe for None`

`impl Send for None`

`impl Sync for None`

`impl Unpin for None`

`impl UnwindSafe for None`

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]

`fn borrow(&self) -> &T`[src]

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

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

`fn into(self) -> U`[src]

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

`default fn to_string(&self) -> String`[src]

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

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

`type Error = >::Error`

The type returned in the event of a conversion error.

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

[−][src]Struct tower_util::error::optional::None

Trait Implementations

`impl Debug for None`[src]

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

`impl Display for None`[src]

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

`impl Error for None`[src]

`fn description(&self) -> &str`1.0.0[src]

`fn cause(&self) -> Option<&dyn Error>`1.0.0[src]

`fn source(&self) -> Option<&(dyn Error + 'static)>`1.30.0[src]

`fn backtrace(&self) -> Option<&Backtrace>`[src]

Auto Trait Implementations

`impl RefUnwindSafe for None`

`impl Send for None`

`impl Sync for None`

`impl Unpin for None`

`impl UnwindSafe for None`

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]

`fn borrow(&self) -> &T`[src]

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

`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> ToString for T where T: Display + ?Sized,` [src]

`default fn to_string(&self) -> String`[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<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 tower_util::error::optional::None

Trait Implementations

impl Debug for None[src]

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

impl Display for None[src]

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

impl Error for None[src]

fn description(&self) -> &str1.0.0[src]

fn cause(&self) -> Option<&dyn Error>1.0.0[src]

fn source(&self) -> Option<&(dyn Error + 'static)>1.30.0[src]

fn backtrace(&self) -> Option<&Backtrace>[src]

Auto Trait Implementations

impl RefUnwindSafe for None

impl Send for None

impl Sync for None

impl Unpin for None

impl UnwindSafe for None

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]

fn borrow(&self) -> &T[src]

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

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> ToString for T where T: Display + ?Sized, [src]

default fn to_string(&self) -> String[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<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 Debug for None`[src]

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

`impl Display for None`[src]

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

`impl Error for None`[src]

`fn description(&self) -> &str`1.0.0[src]

`fn cause(&self) -> Option<&dyn Error>`1.0.0[src]

`fn source(&self) -> Option<&(dyn Error + 'static)>`1.30.0[src]

`fn backtrace(&self) -> Option<&Backtrace>`[src]

`impl RefUnwindSafe for None`

`impl Send for None`

`impl Sync for None`

`impl Unpin for None`

`impl UnwindSafe for None`

`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]

`fn borrow(&self) -> &T`[src]

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

`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> ToString for T where T: Display + ?Sized,` [src]

`default fn to_string(&self) -> String`[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<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]