Trait prometheus::core::Number

pub trait Number:
    Sized
    + AddAssign
    + SubAssign
    + PartialOrd
    + PartialEq
    + Copy
    + Send
    + Sync {
    // Required methods
    fn from_i64(v: i64) -> Self;
    fn into_f64(self) -> f64;
}

An interface for numbers. Used to generically model float metrics and integer metrics, i.e. Counter and IntCounter.

Required Methods

fn from_i64(v: i64) -> Self

std::convert::From<i64> for f64 is not implemented, so that we need to implement our own.

fn into_f64(self) -> f64

Convert to a f64.

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl Number for f64

fn from_i64(v: i64) -> Self

fn into_f64(self) -> f64

impl Number for i64

fn from_i64(v: i64) -> Self

fn into_f64(self) -> f64

impl Number for u64

fn from_i64(v: i64) -> Self

fn into_f64(self) -> f64

Implementors