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Ingy döt Net 2013-10-27 22:24:23 +00:00
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Task/Stack/00DESCRIPTION
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@ -12,3 +12,5 @@ Sometimes the last pushed stack element is made accessible for immutable access
Stacks allow a very simple hardware implementation. They are common in almost all processors. In programming stacks are also very popular for their way ('''LIFO''') of resource management, usually memory. Nested scopes of language objects are naturally implemented by a stack (sometimes by multiple stacks). This is a classical way to implement local variables of a reentrant or recursive subprogram. Stacks are also used to describe a formal computational framework. See [[wp:Stack_automaton|stack machine]]. Many algorithms in pattern matching, compiler construction (e.g. [[wp:Recursive_descent|recursive descent parsers]]), and machine learning (e.g. based on [[wp:Tree_traversal|tree traversal]]) have a natural representation in terms of stacks.
Create a stack supporting the basic operations: push, pop, empty.
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