Trait Gauge 

pub trait Gauge:
    Send
    + Sync
    + Debug
    + DynClone {
    // Required methods
    fn set(&self, amount: usize);
    fn update(&self, delta: i64);
}

A gauge that stores the latest value.

Required Methods

fn set(&self, amount: usize)

Set the gauge value

fn update(&self, delta: i64)

Update the gauge value

Trait Implementations

impl MetricsFamily<Box<dyn Gauge>> for NoMetrics

fn create(&self, _: Vec<String>) -> Box<dyn Gauge>

Instantiate a metric in this family with a specific label vector.

fn destroy(&self, _: &[&str])

Remove a metric in this family identified by its label values.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl Gauge for NoMetrics