recursive function call

[Nicolas Vigier]

Peter Otten said:
> Here is a non-recursive approach:
>
> def tolist(arg):
>    if isinstance(arg, list):
>        return arg
>    return [arg]
>
> def f(arg1, arg2, more_args):
>    for arg1 in tolist(arg1):
>        for arg2 in tolist(arg2):
>            # real code
>
> If it were my code I would omit the tolist() stuff and instead always
> pass lists (or iterables) as the function's first two arguments.

Hmm, that's right. After all it's not very useful to be able to give
a single element, passing a list all the time is more simple. That's
what I'll do. I got the idea of passing a list or a singe element
because that's what they do in SCons, but in my case it's not really
usefull.

Thanks

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