From: Robert Dober <robert.dober@...>
Date: 2007-05-31T05:36:49+09:00
Subject: Re: Underscore

On 5/30/07, Logan Capaldo <logancapaldo@gmail.com> wrote:
> On 5/30/07, Robert Dober <robert.dober@gmail.com> wrote:
> >
> > On 5/30/07, Brian Candler <B.Candler@pobox.com> wrote:
> > > On Wed, May 30, 2007 at 07:50:05AM +0900, Logan Capaldo wrote:
> > > > On 5/29/07, Robert Klemme <shortcutter@googlemail.com> wrote:
> > > > >
> > > > >
> > > > >I was too fast (again).  Even though the return value is used, I'd
> > rather
> > > > >do
> > > > >
> > > > >n.times { x = yield x }
> > > > >
> > > > >than using #inject which does more than needed in this case.  :-)
> > > > >
> > > > >Now, did I look at all aspects...?
> > > >
> > > >
> > > > Almost.
> > > > you'd actually need
> > > > n.times { x = yield x }
> > > > x
> > >
> > > Almost almost :-)
> > >
> > > x = nil
> > > n.times { x = yield x }
> > > x
> > >
> > >
> > Robert was very quick indeed, he did not repeat the context of the
> > expression which was
> >
> > def forgot_the_name(x,...)
> >     n.times{ x = yield x }
>
>
>       Still need x here
>
> end
> >
> > Now it works ;)
>
>
> No it doesn't ;)  n.times {  ... } returns n.
Obviously I am too stupid to test, sorry, I did test it, who knows how ;)
Seriously I do know now, n just was the expected result of the block :(

def anyhow(count, x)
  count.times{x=yield x}
  x
end

Maybe we can still agree that this is better than inspect ;)
And yes thanks for the Ruby classes I got.

Cheers
Robert

>


-- 
You see things; and you say Why?
But I dream things that never were; and I say Why not?
-- George Bernard Shaw