functional programming

[Aahz Maruch]

In article <Pine.GSO.4.20_heb2.08.0002221713320.20007-100000 at sundial>,
Moshe Zadka  <mzadka at geocities.com> wrote:
>
>Functional programming has a very clear definition: no side
>effects. Iterating explicitly means "with side effects." I'm not saying
>one style is better then the other, but you *can't* program functionally
>in Python. I had to get over it, and learn to write fibonaci with a while
>loop, when I first got to Python.

<blink><blink>  What do you call this:

def fib(x):
  if x != int(x):
    raise "Must use an integer"
  if x < 0:
    raise "Must be > 0"
  if x == 0 or x == 1:
    return 1L
  else:
    return fib(x-1) + fib(x-2)

(apologies for any errors, but I think this is basically correct)
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