Skip to main content

ClosureGauge

confluent_kafka::common::metrics

Struct ClosureGauge 

Source 
pub struct ClosureGauge<F>(/* private fields */)
where
    F: Fn(&MetricConfig, i64) -> MetricValue + Send + Sync;
Expand description

A Gauge backed by a closure, mirroring Java’s functional-interface usage (e.g. (config, now) -> metrics.size()).

Implementations§

Source§

impl<F> ClosureGauge<F>
where F: Fn(&MetricConfig, i64) -> MetricValue + Send + Sync,

Source

pub fn new(f: F) -> Self

Wrap a closure as a gauge.

Trait Implementations§

Source§

impl<F> Gauge for ClosureGauge<F>
where F: Fn(&MetricConfig, i64) -> MetricValue + Send + Sync,

Source§

fn value(&self, config: &MetricConfig, now: i64) -> MetricValue

Returns the current value associated with this gauge. Read more

Auto Trait Implementations§

§

impl<F> Freeze for ClosureGauge<F>
where F: Freeze,

§

impl<F> RefUnwindSafe for ClosureGauge<F>
where F: RefUnwindSafe,

§

impl<F> Send for ClosureGauge<F>

§

impl<F> Sync for ClosureGauge<F>

§

impl<F> Unpin for ClosureGauge<F>
where F: Unpin,

§

impl<F> UnsafeUnpin for ClosureGauge<F>
where F: UnsafeUnpin,

§

impl<F> UnwindSafe for ClosureGauge<F>
where F: UnwindSafe,

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

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

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

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

Source§

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 T
where U: TryFrom<T>,

Source§

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.
§

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

§

fn vzip(self) -> V