This is my homebrew quick sort. I don't think it's really quick sort, but it's close! :)

rust_quick_sort_kind_of

fn quick_sort_homebrew(mut vec1: Vec<i32>, pivot_index: usize) -> Vec<i32> {
    println!("func ran");

    let mut swap_position: usize = 0;

    for num in &vec1 {
        if num < &vec1[pivot_index] {
            swap_position += 1;
        }
    }

    println!("before swap: vec1: {:?}", vec1);
    vec1.swap(pivot_index, swap_position);
    println!("after swap: vec1: {:?}", vec1);

    let mut i: usize = 1;
    loop {
        if i >= vec1.len() {
            return vec1;
        }
        if vec1[i - 1] > vec1[i] {
            break;
        }
        i += 1;
    }

    let mut new_pivot_index: usize = 0;
    let mut j: usize = 0;
    loop {
        if j >= vec1.len() {
            break;
        }
        if vec1[j] > vec1[j + 1] {
            new_pivot_index = j;
            break;
        }
        j += 1;
    }

    quick_sort_homebrew(vec1, new_pivot_index)
}