Struct metrics_util::layers::Stack

pub struct Stack<R> { /* fields omitted */ }

Builder for composing layers together in a top-down/inside-out order.

Implementations

impl<R> Stack<R>

pub fn new(inner: R) -> Self

Creates a new Stack around the given object.

pub fn push<L: Layer<R>>(self, layer: L) -> Stack<L::Output>

Pushes the given layer on to the stack, wrapping the existing stack.

impl<R: Recorder + 'static> Stack<R>

pub fn install(self) -> Result<(), SetRecorderError>

Installs this stack as the global recorder.

An error will be returned if there’s an issue with installing the stack as the global recorder.

Trait Implementations

impl<R: Recorder> Recorder for Stack<R>

fn register_counter(
    &self,
    key: &Key,
    unit: Option<Unit>,
    description: Option<&'static str>
)

Registers a counter.

fn register_gauge(
    &self,
    key: &Key,
    unit: Option<Unit>,
    description: Option<&'static str>
)

Registers a gauge.

fn register_histogram(
    &self,
    key: &Key,
    unit: Option<Unit>,
    description: Option<&'static str>
)

Registers a histogram.

fn increment_counter(&self, key: &Key, value: u64)

Increments a counter.

fn update_gauge(&self, key: &Key, value: GaugeValue)

Updates a gauge.

fn record_histogram(&self, key: &Key, value: f64)

Records a histogram.