[LRUG] Recursion diversion

Roland Swingler roland.swingler at gmail.com
Fri Oct 25 07:27:14 PDT 2013

product and its friend combination are really, really useful for solving
these sort of problems in a functional-ish manner. In general it's totally
worth looking over the enumerable/array docs again if you've been
programming ruby since 1.8 and haven't done so - there are loads of new
goodies in there beyond the standard map/select/inject (each_slice and
each_cons can also be really useful).


On Fri, Oct 25, 2013 at 3:21 PM, Michael Pavling <pavling at gmail.com> wrote:

> On 25 October 2013 15:07, Roland Swingler <roland.swingler at gmail.com>wrote:
>> This solves the problem https://gist.github.com/knaveofdiamonds/7155189 -
>> I'm pretty sure it can be made about half as long.
> You have a shorter, quicker, better tested solution than me (took me ages
> to find '.product' - haven't used it before)...
> https://gist.github.com/Pavling/7155370
> This better not be an interview test!!
> +1 :-)
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