Possibly Pythonic Tail Call Optimization (TCO/TRE)

[Marko Rauhamaa]

Ian Kelly <ian.g.kelly at gmail.com>:

> On Mon, Jul 13, 2015 at 11:25 PM, Chris Angelico <rosuav at gmail.com> wrote:
>> (Also, side point: Python can't actually optimize the above function,
>> because it actually means "call quicksort, then discard its return
>> value and return None". A true tail call has to return the result of
>> the recursive call, and Python lacks a way to say "this function will
>> always return None". But that's trivial.)
>
> Another point in favor of an explicit tail-call keyword. Then one
> couldn't make that mistake.

How about "return"?


Marko