metrics_runtime/data/counter.rs
1use crate::common::ValueHandle;
2
3/// A reference to a [`Counter`].
4///
5/// A [`Counter`] is used for directly updating a counter, without any lookup overhead.
6#[derive(Clone)]
7pub struct Counter {
8 handle: ValueHandle,
9}
10
11impl Counter {
12 /// Records a value for the counter.
13 pub fn record(&self, value: u64) {
14 self.handle.update_counter(value);
15 }
16
17 /// Increments the counter by one.
18 pub fn increment(&self) {
19 self.handle.update_counter(1);
20 }
21}
22
23impl From<ValueHandle> for Counter {
24 fn from(handle: ValueHandle) -> Self {
25 Self { handle }
26 }
27}