sort a vector rust

To sort a vector in Rust, you can use the sort method provided by the Vec type. Here's an example:

fn main() {
    let mut numbers = vec![5, 2, 1, 4, 3];
    numbers.sort();
    println!("{:?}", numbers);
}

This code creates a mutable vector numbers containing [5, 2, 1, 4, 3]. Then, the sort method is called on the vector, which sorts the elements in ascending order. Finally, the sorted vector is printed using println!.

When you run this code, the output will be [1, 2, 3, 4, 5], as the vector has been sorted in ascending order.

If you want to sort the vector in descending order, you can use the sort_by method instead, along with a custom comparison function. Here's an example:

fn main() {
    let mut numbers = vec![5, 2, 1, 4, 3];
    numbers.sort_by(|a, b| b.cmp(a));
    println!("{:?}", numbers);
}

This code uses the sort_by method with a closure that compares the elements in reverse order using the cmp method. The output will be [5, 4, 3, 2, 1], as the vector has been sorted in descending order.

I hope this helps! Let me know if you have any further questions.