pub fn ratio(numerator: u8, denominator: u8) -> u8 {
let total = numerator + denominator;
total / 2
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn halves() {
let result = ratio(2, 4);
assert_eq!(result, 3);
}
#[test]
fn floors() {
let result = ratio(1, 2);
assert_eq!(result, 1);
}
}