Struct NoopMetricsRecorder 

pub struct NoopMetricsRecorder;

Recorder used when the application does not configure metrics.

Trait Implementations

impl Clone for NoopMetricsRecorder

fn clone(&self) -> NoopMetricsRecorder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for NoopMetricsRecorder

impl Debug for NoopMetricsRecorder

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

Formats the value using the given formatter.

impl Default for NoopMetricsRecorder

fn default() -> NoopMetricsRecorder

Returns the “default value” for a type.

impl MetricsRecorder for NoopMetricsRecorder

fn register_counter( &self, _name: &str, _description: &str, _labels: &[(&str, &str)], ) -> Arc<dyn CounterFn>

Register a monotonically increasing counter.

fn register_gauge( &self, _name: &str, _description: &str, _labels: &[(&str, &str)], ) -> Arc<dyn GaugeFn>

Register an absolute point-in-time gauge.

fn register_up_down_counter( &self, _name: &str, _description: &str, _labels: &[(&str, &str)], ) -> Arc<dyn UpDownCounterFn>

Register an additive counter that may increase or decrease.

fn register_histogram( &self, _name: &str, _description: &str, _labels: &[(&str, &str)], _boundaries: &[f64], ) -> Arc<dyn HistogramFn>

Register a histogram with the requested bucket boundaries.