Function error_budget_burn_rate 

pub fn error_budget_burn_rate(
    actual_downtime_minutes: f64,
    budget_minutes: f64,
) -> Option<f64>

How much of the error budget has been spent.

actual_downtime_minutes / budget_minutes. A value at or above 1.0 means the budget is exhausted or overspent.

Arguments

• actual_downtime_minutes — actual downtime observed in the period, in minutes.
• budget_minutes — the allowed downtime for the period, in minutes (typically from error_budget_minutes).

Returns

The burn rate as a proportion, or None if budget_minutes is zero.

Examples

use software_engineering::error_budget::error_budget_burn_rate;

assert_eq!(error_budget_burn_rate(21.6, 43.2), Some(0.5));
assert_eq!(error_budget_burn_rate(1.0, 0.0), None);