Struct NoopMetrics 

pub struct NoopMetrics;

A Metrics sink that discards everything.

Trait Implementations

impl Clone for NoopMetrics

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for NoopMetrics

impl Debug for NoopMetrics

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

Formats the value using the given formatter.

impl Default for NoopMetrics

fn default() -> Self

Returns the “default value” for a type.

impl Metrics for NoopMetrics

fn incr(&self, _name: &'static str, _labels: &[(&'static str, &str)], _by: u64)

Add by to the counter name.

fn observe_ms( &self, _name: &'static str, _labels: &[(&'static str, &str)], _ms: f64, )

Record one observation, in milliseconds, in the histogram name.

fn gauge( &self, _name: &'static str, _labels: &[(&'static str, &str)], _value: f64, )

Set a gauge. Sinks without gauge support may discard it.