pub fn largest<T: PartialOrd>(list: &[T]) -> &T {

      // Start by grabbing an immutable reference to the first element in the slice
      // While we won't mutate the underlying T element, we WILL mutate the pointer
      // Therefore the reference (largest) was declared as mutable
     let mut largest: &T = &list[0];

      // For each item in the slice, get an immutable reference to it
     for item in list.iter() {

          // If the item is larger (according to PartialOrd trait) than the value pointed at by "largest"
         if item > largest {

              // Change the "largest" pointer to instead point to this item
             largest = &item;

         }
     }

      // Return "largest"
     largest
 }

fn main() {
    let v = vec![1u32, 2u32];
    println!("{}",largest(&v));
    println!("{:?}",v);

}