#[test]
pub fn test_vector_sort_by() {
let mut names = vec!["Celeste", "Bassem", "Valentine", "Rick"];
println!("The Vector before sorting = {:?}", names);
names.sort_by(|a, b| a.len().cmp(&b.len()));
println!("The sorted by length vector = {:?}", names);
names.sort_by(|a, b| a.cmp(b));
println!("The sorted by alphanumeric vector = {:?}", names);
let integers = vec![48, 49, 50, 51];
println!("Vector: {:?}", integers);
let slice = Vec::from(&integers[1..integers.len()]);
println!("Vector from 2nd element {:?}", slice);
assert_eq!(3, slice.len())
}