Struct tracing_core::metadata::Kind

source ·
pub struct Kind(/* private fields */);
Expand description

Indicates whether the callsite is a span or event.

Implementations§

source§

impl Kind

source

pub const EVENT: Kind = _

Event callsite

source

pub const SPAN: Kind = _

Span callsite

source

pub const HINT: Kind = _

enabled! callsite. Subscribers can assume this Kind means they will never recieve a full event with this Metadata.

source

pub fn is_span(&self) -> bool

Return true if the callsite kind is Span

source

pub fn is_event(&self) -> bool

Return true if the callsite kind is Event

source

pub fn is_hint(&self) -> bool

Return true if the callsite kind is Hint

source

pub const fn hint(self) -> Self

Sets that this Kind is a hint.

This can be called on SPAN and EVENT kinds to construct a hint callsite that also counts as a span or event.

Trait Implementations§

source§

impl Clone for Kind

source§

fn clone(&self) -> Kind

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
source§

impl Debug for Kind

source§

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

Formats the value using the given formatter. Read more
source§

impl PartialEq<Kind> for Kind

source§

fn eq(&self, other: &Kind) -> bool

This method tests for self and other values to be equal, and is used by ==.
1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
source§

impl Eq for Kind

source§

impl StructuralEq for Kind

source§

impl StructuralPartialEq for Kind

Auto Trait Implementations§

§

impl RefUnwindSafe for Kind

§

impl Send for Kind

§

impl Sync for Kind

§

impl Unpin for Kind

§

impl UnwindSafe for Kind

Blanket Implementations§

source§

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

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

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

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

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

source§

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

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

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

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.

source§

impl<T> ToOwned for Twhere T: Clone,

§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

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

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

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

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

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

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

Performs the conversion.
source§

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

§

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

The type returned in the event of a conversion error.
source§

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

Performs the conversion.