Haskell -> Python

Ian Kelly ian.g.kelly at gmail.com
Fri Nov 2 22:46:45 CET 2012


On Fri, Nov 2, 2012 at 3:40 PM, Ian Kelly <ian.g.kelly at gmail.com> wrote:
> On Fri, Nov 2, 2012 at 1:19 PM,  <foster63 at gmail.com> wrote:
>> Is there anything anyone could recommend to make it more "Pythonic" or more functional.  It looks clumsy next to the Haskell.
>
> def options(heaps):
>     for i, heap in enumerate(heaps):
>         head = heaps[:i]
>         tail = heaps[i+1:]
>         yield from (head + [x] + tail for x in range(heap))
>
> "yield from" is Python 3.3 syntax.  If you're not using Python 3.3,
> then that line could be replaced by:
>
>         for x in range(heap):
>             yield head + [x] + tail

In fact, the more that I look at it, the more that I think the latter
might be preferable in any case.


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