Struct Counter 

pub struct Counter { /* private fields */ }

A counter is a cumulative metric that represents a single monotonically increasing counter whose value can only increase or be reset to zero.

Implementations

impl Counter

pub fn new(name: impl Into<String>, help: impl Into<String>) -> Self

Create a new counter with name and help text

pub fn inc(&self)

Increment the counter by 1

pub fn add(&self, delta: u64)

Increment the counter by a specific amount

pub fn get(&self) -> u64

Get the current value

pub fn reset(&self)

Reset the counter to zero

pub fn name(&self) -> &str

Get the counter name

pub fn help(&self) -> &str

Get the help text

Trait Implementations

impl Clone for Counter

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Counter

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

Formats the value using the given formatter.