| author | Christian Urban <christian dot urban at kcl dot ac dot uk> |
| Wed, 10 Jun 2015 14:51:35 +0100 | |
| changeset 79 | ca8f9645db69 |
| parent 44 | a751aa1ee4f7 |
| permissions | -rw-r--r-- |
| 44 | 1 |
package Main |
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class Stack[T] {
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var elems: List[T] = Nil |
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def push(x: T) { elems = x :: elems }
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def top: T = elems.head |
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def pop() { elems = elems.tail }
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} |
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object GenericsTest extends App{
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val stack = new Stack[Int] |
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stack.push(1) |
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stack.push('a')
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println(stack.top) |
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stack.pop() |
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println(stack.top) |
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} |