Order of Execution
In a recursive function, the position in which additional statements (i.e., statements other than the recursive call itself) are placed is important. In the simple case of a function calling itself only once, a statement placed before the recursive call will be executed first in the outermost stack frame, while a statement placed after the recursive call will be executed first in the innermost stack frame. Consider this example:
Read more about this topic: Recursion (computer Science)
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—Walter Lippmann (1889–1974)
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“If I were asked to chose between execution and life in prison I would, of course, chose the latter. It’s better to live somehow than not at all.”
—Anton Pavlovich Chekhov (1860–1904)