Difference between revisions of "Stack Operators"
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Revision as of 21:14, 11 October 2014
So question is what the hell is a stack in programming?
Well first we have to understand the concept of an array in programming. An array is a pretty much a list of numbers. For Darwinbots, the two `number` types we are referring are integers in the range of -32K to 32K and Boolean values. That's right, although a Boolean is technically not a number, a computer treats it as such.
So now a stack is actually a type of array. It designates an array that reads and writes using very specific rules. The rules are `last-in first-out`
What does last in mean?
Well imagine a list of numbers, obviously there will be a number at the top of this list and a number at the bottom. Last in means we always insert a number to the top of that list.
What does first out mean?
This means that the numbers are illuminated from the list starting from the top of the list.
