Struct MetricsRegistry 

pub struct MetricsRegistry { /* private fields */ }

Central metrics registry with fixed-slot storage.

All metric access is lock-free (Ordering::Relaxed atomics). Call render to produce Prometheus text format.

Implementations

impl MetricsRegistry

pub fn counter(&self, c: BuiltinCounter) -> &Counter

Access a counter by its builtin enum.

pub fn gauge(&self, g: BuiltinGauge) -> &Gauge

Access a gauge by its builtin enum.

pub fn histogram(&self, h: BuiltinHistogram) -> &Histogram

Access a histogram by its builtin enum.

pub fn render(&self) -> String

Render all metrics in Prometheus text exposition format.

pub fn render_to(&self, out: &mut String)

Render into an existing buffer (avoids allocation if reused).

pub fn reset(&self)

Reset all metrics to zero. Useful for testing.

Trait Implementations

impl Debug for MetricsRegistry

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

Formats the value using the given formatter.