Playground

import System;

into namespace Generic
{
	public class Stack<T>
	{
		List<T> items = new List<T>();

		public:
			Push(T item) { items.Add(item); }
			Pop() : T => items.Pop();
			i32 Count { get => items.Count; }
	}

	Largest<T : IComparable<T>>(T a, T b) : T => a.CompareTo(b) >= 0 ? a : b;

	Sum<T : number>(T[] values) : T
	{
		T total = T.Zero;
		loop (T v in values)
			total = total + v;
		return total;
	}

	Main()
	{
		Stack<str> stack = new Stack<str>();
		stack.Push("a");
		stack.Push("b");
		Console.WriteLine(stack.Pop() + " " + stack.Count);
		Console.WriteLine(Largest("pear", "apple"));
		Console.WriteLine(Largest(3, 7));
		Console.WriteLine(Sum([1, 2, 3]));
		Console.WriteLine(Sum([1.5, 2.25]));
	}
}