println(tos.items)tos.push("Generics")println(tos.items)tos.push("Where Clause")
println(tos.items)var eos = ["Swift", "Generics", "Where Clause"]
println(eos)When we run the above program using playground, we get the following result:
[Swift]
[Swift, Generics]
[Swift, Generics, Where Clause]
[Swift, Generics, Where Clause]