Expand description
Primitive calendar quarter helpers.
These helpers provide simple calendar quarter boundaries and checks.
§Examples
use use_quarter::{Quarter, month_in_quarter, quarter_end_date, quarter_for_month};
assert_eq!(quarter_for_month(5).unwrap(), Quarter::Q2);
assert_eq!(quarter_end_date(2024, Quarter::Q1).day(), 31);
assert!(month_in_quarter(5, Quarter::Q2).unwrap());