Struct cipherstash_client::async_value::LazyValue

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pub struct LazyValue<T, E> { /* private fields */ }

Expand description

A lazy async value created from a future.

The internal future is only run when get_value is called

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impl<T, E> LazyValue<T, E>

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pub fn new(f: impl Future<Output = Result<T, E>> + 'static) -> Self

Trait Implementations§

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fn get_value<'life0, 'async_trait>(
 &'life0 self
) -> Pin<Box<dyn Future<Output = Result<Self::Value, Self::Error>> + 'async_trait>>where
 Self: 'async_trait,
 'life0: 'async_trait,

Auto Trait Implementations§

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impl<T, E> !RefUnwindSafe for LazyValue<T, E>

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impl<T, E> !Send for LazyValue<T, E>

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impl<T, E> !Sync for LazyValue<T, E>

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impl<T, E> Unpin for LazyValue<T, E>where
E: Unpin,
T: Unpin,

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impl<T, E> !UnwindSafe for LazyValue<T, E>

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<Src, Scheme> ApproxFrom<Src, Scheme> for Srcwhere
Scheme: ApproxScheme,

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type Err = NoError

The error type produced by a failed conversion.

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fn approx_from(src: Src) -> Result<Src, <Src as ApproxFrom<Src, Scheme>>::Err>

Convert the given value into an approximately equivalent representation.

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impl<Dst, Src, Scheme> ApproxInto<Dst, Scheme> for Srcwhere
Dst: ApproxFrom<Src, Scheme>,
Scheme: ApproxScheme,

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type Err = <Dst as ApproxFrom<Src, Scheme>>::Err

The error type produced by a failed conversion.

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fn approx_into(self) -> Result<Dst, <Src as ApproxInto<Dst, Scheme>>::Err>

Convert the subject into an approximately equivalent representation.

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

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source§

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

Mutably borrows from an owned value. Read more

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impl<T, Dst> ConvAsUtil<Dst> for T

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fn approx(self) -> Result<Dst, Self::Err>where
Self: Sized + ApproxInto<Dst, DefaultApprox>,

Approximate the subject with the default scheme.

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fn approx_by<Scheme>(self) -> Result<Dst, Self::Err>where
Self: Sized + ApproxInto<Dst, Scheme>,
Scheme: ApproxScheme,

Approximate the subject with a specific scheme.

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impl<T> ConvUtil for T

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fn approx_as<Dst>(self) -> Result<Dst, Self::Err>where
Self: Sized + ApproxInto<Dst, DefaultApprox>,

Approximate the subject to a given type with the default scheme.

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fn approx_as_by<Dst, Scheme>(self) -> Result<Dst, Self::Err>where
Self: Sized + ApproxInto<Dst, Scheme>,
Scheme: ApproxScheme,

Approximate the subject to a given type with a specific scheme.

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fn into_as<Dst>(self) -> Dstwhere
Self: Sized + Into<Dst>,

Convert the subject to a given type.

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fn try_as<Dst>(self) -> Result<Dst, Self::Err>where
Self: Sized + TryInto<Dst>,

Attempt to convert the subject to a given type.

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fn value_as<Dst>(self) -> Result<Dst, Self::Err>where
Self: Sized + ValueInto<Dst>,

Attempt a value conversion of the subject to a given type.

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impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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

const: unstable · source§

fn into(self) -> U

Calls U::from(self).

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

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impl<T> IntoRequest<T> for T

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fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request

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impl<T> Same<T> for T

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type Output = T

Should always be Self

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impl<Src> TryFrom<Src> for Src

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type Err = NoError

The error type produced by a failed conversion.

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fn try_from(src: Src) -> Result<Src, <Src as TryFrom<Src>>::Err>

Convert the given value into the subject type.

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

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type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source§

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

Performs the conversion.

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impl<Src, Dst> TryInto<Dst> for Srcwhere
Dst: TryFrom<Src>,

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type Err = <Dst as TryFrom<Src>>::Err

The error type produced by a failed conversion.

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fn try_into(self) -> Result<Dst, <Src as TryInto<Dst>>::Err>

Convert the subject into the destination type.

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

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type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source§

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

Performs the conversion.

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impl<V, T> VZip<V> for Twhere
V: MultiLane<T>,

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fn vzip(self) -> V

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impl<Src> ValueFrom<Src> for Src

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type Err = NoError

The error type produced by a failed conversion.

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fn value_from(src: Src) -> Result<Src, <Src as ValueFrom<Src>>::Err>

Convert the given value into an exactly equivalent representation.

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impl<Src, Dst> ValueInto<Dst> for Srcwhere
Dst: ValueFrom<Src>,

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type Err = <Dst as ValueFrom<Src>>::Err

The error type produced by a failed conversion.

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fn value_into(self) -> Result<Dst, <Src as ValueInto<Dst>>::Err>

Convert the subject into an exactly equivalent representation.

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

Struct cipherstash_client::async_value::LazyValue

Implementations§

impl<T, E> LazyValue<T, E>

pub fn new(f: impl Future<Output = Result<T, E>> + 'static) -> Self

Trait Implementations§

impl<T: Clone + Unpin, E: Clone + Unpin> AsyncAccessor for LazyValue<T, E>

type Value = T

type Error = E

fn get_value<'life0, 'async_trait>( &'life0 self) -> Pin<Box<dyn Future<Output = Result<Self::Value, Self::Error>> + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Auto Trait Implementations§

impl<T, E> !RefUnwindSafe for LazyValue<T, E>

impl<T, E> !Send for LazyValue<T, E>

impl<T, E> !Sync for LazyValue<T, E>

impl<T, E> Unpin for LazyValue<T, E>where E: Unpin, T: Unpin,

impl<T, E> !UnwindSafe for LazyValue<T, E>

Blanket Implementations§

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

fn type_id(&self) -> TypeId

impl<Src, Scheme> ApproxFrom<Src, Scheme> for Srcwhere Scheme: ApproxScheme,

type Err = NoError

fn approx_from(src: Src) -> Result<Src, <Src as ApproxFrom<Src, Scheme>>::Err>

impl<Dst, Src, Scheme> ApproxInto<Dst, Scheme> for Srcwhere Dst: ApproxFrom<Src, Scheme>, Scheme: ApproxScheme,

type Err = <Dst as ApproxFrom<Src, Scheme>>::Err

fn approx_into(self) -> Result<Dst, <Src as ApproxInto<Dst, Scheme>>::Err>

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, Dst> ConvAsUtil<Dst> for T

fn approx(self) -> Result<Dst, Self::Err>where Self: Sized + ApproxInto<Dst, DefaultApprox>,

fn approx_by<Scheme>(self) -> Result<Dst, Self::Err>where Self: Sized + ApproxInto<Dst, Scheme>, Scheme: ApproxScheme,

impl<T> ConvUtil for T

fn approx_as<Dst>(self) -> Result<Dst, Self::Err>where Self: Sized + ApproxInto<Dst, DefaultApprox>,

fn approx_as_by<Dst, Scheme>(self) -> Result<Dst, Self::Err>where Self: Sized + ApproxInto<Dst, Scheme>, Scheme: ApproxScheme,

fn into_as<Dst>(self) -> Dstwhere Self: Sized + Into<Dst>,

fn try_as<Dst>(self) -> Result<Dst, Self::Err>where Self: Sized + TryInto<Dst>,

fn value_as<Dst>(self) -> Result<Dst, Self::Err>where Self: Sized + ValueInto<Dst>,

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

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

fn into(self) -> U

impl<T> IntoRequest<T> for T

fn into_request(self) -> Request<T>

impl<T> Same<T> for T

type Output = T

impl<Src> TryFrom<Src> for Src

type Err = NoError

fn try_from(src: Src) -> Result<Src, <Src as TryFrom<Src>>::Err>

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<Src, Dst> TryInto<Dst> for Srcwhere Dst: TryFrom<Src>,

type Err = <Dst as TryFrom<Src>>::Err

fn try_into(self) -> Result<Dst, <Src as TryInto<Dst>>::Err>

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<V, T> VZip<V> for Twhere V: MultiLane<T>,

fn vzip(self) -> V

impl<Src> ValueFrom<Src> for Src

type Err = NoError

fn value_from(src: Src) -> Result<Src, <Src as ValueFrom<Src>>::Err>

impl<Src, Dst> ValueInto<Dst> for Srcwhere Dst: ValueFrom<Src>,

type Err = <Dst as ValueFrom<Src>>::Err

fn value_into(self) -> Result<Dst, <Src as ValueInto<Dst>>::Err>

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>

fn get_value<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<Self::Value, Self::Error>> + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,

impl<T, E> Unpin for LazyValue<T, E>where
E: Unpin,
T: Unpin,

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

impl<Src, Scheme> ApproxFrom<Src, Scheme> for Srcwhere
Scheme: ApproxScheme,

impl<Dst, Src, Scheme> ApproxInto<Dst, Scheme> for Srcwhere
Dst: ApproxFrom<Src, Scheme>,
Scheme: ApproxScheme,

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

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

fn approx(self) -> Result<Dst, Self::Err>where
Self: Sized + ApproxInto<Dst, DefaultApprox>,

fn approx_by<Scheme>(self) -> Result<Dst, Self::Err>where
Self: Sized + ApproxInto<Dst, Scheme>,
Scheme: ApproxScheme,

fn approx_as<Dst>(self) -> Result<Dst, Self::Err>where
Self: Sized + ApproxInto<Dst, DefaultApprox>,

fn approx_as_by<Dst, Scheme>(self) -> Result<Dst, Self::Err>where
Self: Sized + ApproxInto<Dst, Scheme>,
Scheme: ApproxScheme,

fn into_as<Dst>(self) -> Dstwhere
Self: Sized + Into<Dst>,

fn try_as<Dst>(self) -> Result<Dst, Self::Err>where
Self: Sized + TryInto<Dst>,

fn value_as<Dst>(self) -> Result<Dst, Self::Err>where
Self: Sized + ValueInto<Dst>,

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

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

impl<Src, Dst> TryInto<Dst> for Srcwhere
Dst: TryFrom<Src>,

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

impl<V, T> VZip<V> for Twhere
V: MultiLane<T>,

impl<Src, Dst> ValueInto<Dst> for Srcwhere
Dst: ValueFrom<Src>,

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where
S: Into<Dispatch>,