#[cfg(test)]
mod examples {
    use day43::tri_area;

    #[test]
    fn example1() {
        assert_eq!(tri_area(3f64, 2f64), 3f64);
    }

    #[test]
    fn example2() {
        assert_eq!(tri_area(5f64, 4f64), 10f64);
    }

    #[test]
    fn example3() {
        assert_eq!(tri_area(7f64, 4f64), 14f64);
    }

    #[test]
    fn example4() {
        assert_eq!(tri_area(10f64, 10f64), 50f64);
    }

    #[test]
    fn example5() {
        assert_eq!(tri_area(12f64, 11f64), 66f64);
    }

    #[test]
    fn example6() {
        assert_eq!(tri_area(0f64, 60f64), 0f64);
    }
}