Struct NoopMetrics 

pub struct NoopMetrics;

A no-op metrics observer. Compiles to nothing.

Trait Implementations

impl Clone for NoopMetrics

fn clone(&self) -> NoopMetrics

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() -> NoopMetrics

Returns the “default value” for a type.

impl MetricsObserver for NoopMetrics

fn increment(&self, _counter: &'static str, _outcome: Option<Outcome>)

Increment counter by 1, optionally tagging with outcome.