Struct Gauge

pub struct Gauge { /* private fields */ }

Open Metrics Gauge.

Implementations

impl Gauge

pub fn new(help: &'static str) -> Self

Constructs a new gauge, based on the given help.

pub fn inc(&self) -> i64

Increases the Gauge by 1, returning the previous value.

pub fn inc_by(&self, v: i64) -> i64

Increases the Gauge by i64, returning the previous value.

pub fn dec(&self) -> i64

Decreases the Gauge by 1, returning the previous value.

pub fn dec_by(&self, v: i64) -> i64

Decreases the Gauge by i64, returning the previous value.

pub fn set(&self, v: i64) -> i64

Sets the Gauge to v, returning the previous value.

pub fn get(&self) -> i64

Returns the Gauge value.

Trait Implementations

impl Clone for Gauge

fn clone(&self) -> Gauge

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Gauge

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

Formats the value using the given formatter.

impl Metric for Gauge

fn type(&self) -> MetricType

Returns the type of this metric.

fn help(&self) -> &'static str

Returns the help string for this metric.

fn value(&self) -> MetricValue

Returns the current value of this metric.

fn as_any(&self) -> &dyn Any

Casts this metric to Any for downcasting to concrete types.