Trait prometheus::core::Number
source · [−]pub trait Number: Sized + AddAssign + SubAssign + PartialOrd + PartialEq + Copy + Send + Sync {
fn from_i64(v: i64) -> Self;
fn into_f64(self) -> f64;
}
Expand description
An interface for numbers. Used to generically model float metrics and integer metrics, i.e.
Counter
and IntCounter
.
Required methods
std::convert::From<i64> for f64
is not implemented, so that we need to implement our own.