rust_rotate_array

fn rotate_one(arr: &mut [i32]) {
    //arr[1] = 10;
    let c=arr.len();
    let first=arr[0];
    let mut i=1;
    while i<c{
        arr[i-1]=arr[i];
        i+=1;
    }
    arr[c-1]=first;
}
fn rotate(arr: &mut [i32],r:i32){
    for n in 0..r{
        rotate_one(arr);
    }
}

fn main() {
    let mut arr: [i32;6] = [1, 2, 3, 4,5,6];
    rotate(&mut arr,6);
    println!("this is {:?}", arr);
}