algori 0.13.0

Rust Algorithms
Documentation 
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/// Bubble Sort
/// # Example
/// ```
/// use algori::sorting::{bubble_sort,is_sorted};
/// let mut a = [2,3,1,34,15,8,0,7,4,3,21,4,6,7,4,2341,321,41231,312,62];
/// bubble_sort(&mut a,|a,b| a <= b);
/// assert_eq!(is_sorted(&mut a,|a,b| a<=b),true);
/// ```
pub fn bubble_sort<T>(array: &mut [T], comparator: fn(&T, &T) -> bool) -> () {
    for point in (0..array.len()).rev() {
        for current_point in 0..point {
            if !comparator(&array[current_point], &array[current_point + 1]) {
                array.swap(current_point, current_point + 1);
            }
        }
    }
}

#[cfg(test)]
mod bubble_sort_tests {
    use super::super::is_sorted;
    use super::bubble_sort;
    #[test]
    fn empty() -> () {
        let mut a: [i32; 0] = [];
        bubble_sort(&mut a, |a, b| a <= b);

        assert_eq!(is_sorted(&mut a, |a, b| a <= b), true);
    }

    #[test]
    fn one_element() -> () {
        let mut a: [i32; 1] = [1];
        bubble_sort(&mut a, |a, b| a <= b);
        assert_eq!(is_sorted(&mut a, |a, b| a <= b), true);
    }
    #[test]
    fn positive() -> () {
        let mut a = [1, 123, 123, 12, 4234, 42, 1123, 123, 15112, 312];
        bubble_sort(&mut a, |a, b| a >= b);
        assert_eq!(is_sorted(&mut a, |a, b| a >= b), true);
    }
}