opentelemetry::metrics

Trait AsyncInstrument

Source 
pub trait AsyncInstrument<T>: Send + Sync {
    // Required method
    fn observe(&self, measurement: T, attributes: &[KeyValue]);
}
Available on crate feature metrics only.
Expand description

An SDK implemented instrument that records measurements via callback.

Required Methods§

Source

fn observe(&self, measurement: T, attributes: &[KeyValue])

Observes the state of the instrument.

It is only valid to call this within a callback.

Implementors§