Struct UpDownCounter 

pub struct UpDownCounter { /* private fields */ }

An up-down counter metric instrument that supports both positive and negative deltas.

Implementations

impl UpDownCounter

pub fn new( inner: Arc<dyn MetricAttributable<Box<dyn UpDownCounterBase>> + Send + Sync>, ) -> Self

Create a new up-down counter from an attributable metric source.

pub fn add(&self, value: i64, attributes: &MetricAttributes)

Add a signed i64 value with the given attributes.

pub fn update_attributes(&mut self, new_attributes: MetricAttributes)

Replace the attributes on the primary metric.

Trait Implementations

impl Clone for UpDownCounter

fn clone(&self) -> UpDownCounter

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl MetricAttributable<UpDownCounter> for UpDownCounter

fn with_attributes( &self, attributes: &MetricAttributes, ) -> Result<UpDownCounter, Box<dyn Error>>

Replace any existing attributes on this metric with new ones, and return a new copy of the metric, or a base version, which can be used to record values.

impl UpDownCounterBase for UpDownCounter

fn adds(&self, value: i64)

Add a signed value to the up-down counter.