Struct cadence::NopMetricSink

pub struct NopMetricSink;

Implementation of a MetricSink that discards all metrics.

Useful for disabling metric collection or unit tests.

Trait Implementations

impl Debug for NopMetricSink

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Clone for NopMetricSink

fn clone(&self) -> NopMetricSink

Returns a copy of the value.

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

Performs copy-assignment from source.

impl MetricSink for NopMetricSink

fn emit(&self, metric: &str) -> Result<usize>

Send the Statsd metric using this sink and return the number of bytes written or an I/O error.