From: Tim Pease <tim.pease@...>
Date: 2007-08-04T03:33:08+09:00
Subject: Re: Running multiple closures per iteration

On 8/3/07, Joshua Chia <joshchia@gmail.com> wrote:
> Joel VanderWerf wrote:
> > Did you mean
> >
> > o = a.select {|x| x >= 0}
> > p = o.inject(0) {|s, x| s += x}
> >     ^^^
> >      ?
> >
>
> No, I meant to compute two different things from a.

Well, it's not pretty, but here's my best shot at it

o, p = a.inject( [[], 0] ) do |ary,x|
  ary[0] << x if x >= 0
  ary[1] += x
  ary
end

I don't think Ruby natively supports such a creature, though. Please
correct me if I'm wrong.

Blessings,
TwP