Trait Counter 

pub trait Counter:
    Send
    + Sync
    + Debug
    + DynClone {
    // Required method
    fn add(&self, amount: usize);
}

An ever-incrementing counter

Required Methods

fn add(&self, amount: usize)

Add a value to the counter

Trait Implementations

impl MetricsFamily<Box<dyn Counter>> for NoMetrics

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

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 Counter for NoMetrics