Struct tracing::field::DisplayValue

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pub struct DisplayValue<T>(_)
 where
    T: Display;

Expand description

A Value which serializes using fmt::Display.

Uses record_debug in the Value implementation to avoid an unnecessary evaluation.

Trait Implementations

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impl<T> Clone for DisplayValue<T> where
T: Clone + Display,

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fn clone(&self) -> DisplayValue<T>

Returns a copy of the value. Read more

1.0.0 · source

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl<T> Debug for DisplayValue<T> where
T: Display,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

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impl<T> Display for DisplayValue<T> where
T: Display,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

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impl<T> Value for DisplayValue<T> where
T: Display,

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fn record(&self, key: &Field, visitor: &mut dyn Visit)

Visits this value with the given Visitor.

Auto Trait Implementations

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

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

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

impl<T> Unpin for DisplayValue<T> where
T: Unpin,

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

Blanket Implementations

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
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 T where
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> 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>ⓘNotable traits for Instrumented<T>`impl<T: Future> Future for Instrumented<T> type Output = T::Output;`

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

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fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>`impl<T: Future> Future for Instrumented<T> type Output = T::Output;`

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

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impl<T, U> Into for T where
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> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into #41263)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T> ToString for T where
T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more

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

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<T, U> TryInto for T where
U: TryFrom<T>,

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<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>`impl<T: Future> Future for WithDispatch<T> type Output = T::Output;` 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>ⓘNotable traits for WithDispatch<T>`impl<T: Future> Future for WithDispatch<T> type Output = T::Output;`

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

Struct tracing::field::DisplayValue

Trait Implementations

impl<T> Clone for DisplayValue<T> where T: Clone + Display,

fn clone(&self) -> DisplayValue<T>

fn clone_from(&mut self, source: &Self)

impl<T> Debug for DisplayValue<T> where T: Display,

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

impl<T> Display for DisplayValue<T> where T: Display,

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

impl<T> Value for DisplayValue<T> where T: Display,

fn record(&self, key: &Field, visitor: &mut dyn Visit)

Auto Trait Implementations

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

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

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

impl<T> Unpin for DisplayValue<T> where T: Unpin,

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

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T: Future> Future for Instrumented<T> type Output = T::Output;

fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T: Future> Future for Instrumented<T> type Output = T::Output;

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

fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T> ToString for T where T: Display + ?Sized,

default fn to_string(&self) -> String

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

type Error = Infallible

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

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

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

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

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T: Future> Future for WithDispatch<T> type Output = T::Output; where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T: Future> Future for WithDispatch<T> type Output = T::Output;

impl<T> Clone for DisplayValue<T> where
T: Clone + Display,

impl<T> Debug for DisplayValue<T> where
T: Display,

impl<T> Display for DisplayValue<T> where
T: Display,

impl<T> Value for DisplayValue<T> where
T: Display,

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

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

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

impl<T> Unpin for DisplayValue<T> where
T: Unpin,

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

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

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

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

fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>`impl<T: Future> Future for Instrumented<T> type Output = T::Output;`

fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>`impl<T: Future> Future for Instrumented<T> type Output = T::Output;`

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

impl<T> ToOwned for T where
T: Clone,

impl<T> ToString for T where
T: Display + ?Sized,

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

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

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>`impl<T: Future> Future for WithDispatch<T> type Output = T::Output;` where
S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>`impl<T: Future> Future for WithDispatch<T> type Output = T::Output;`