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Recursion is a perfectly valid tool for certain types of problems, building tables of Recursive Numbers for example. (The Nth Fibonacci Number is useful in a wide variety of fields: Economics (dynamic optimization problems) and Cryptography (as a seed for pseudo-random number generators and primality testing), Genetics, the list goes on.
Recursion along with memo-ization allows clean, readable, maintainable code. Recursion has it's place in the tool-box of any professional programmer worthy of the name (and pay). The fact that you can pose a problem large enough to cause your recursion depth to go to the point that you exhaust your computer's resources is an indicator that you need a better computer. Or perhaps you are confusing recursion with 'fork-bomb'.
---- OGB In reply to Re^2: No recursion depth limit?
by Old_Gray_Bear
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