002-8ku-grasshopper-terminal-game-combat-function-1.rs

// https://www.codewars.com/kata/grasshopper-terminal-game-combat-function-1

fn combat(health: f32, damage: f32) -> f32 {
    if health - damage < 0.0 {
        0.0
    } else {
        health - damage
    }
}

#[test]
fn example_tests() {
    assert_eq!(combat(100.0, 5.0), 95.0);
    assert_eq!(combat(92.0, 8.0), 84.0);
    assert_eq!(combat(20.0, 30.0), 0.0, "Health cannot go below 0");
}