From: Jeff Wood <jeff.darklight@...>
Date: 2005-11-26T21:29:48+09:00
Subject: Re: Faster way to pick the every other array member?

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Other than having to do the * that's very cool.

It should be smart enought to figure out input param types ....

or maybe add to the syntax for ranges ? ( 2..6 by 2 ) could be cool too

Anyways, thanks for the note about 1.9

j.


On 11/25/05, Mauricio Fern=E1ndez <mfp@acm.org > wrote:
>
> On Sat, Nov 26, 2005 at 09:13:38AM +0900, Jeff Wood wrote:
> > I'm kind of surprised that you don't get an array of values back if you
> call
> > Range#step(x) without a block.
> >
> > That would make things much easier ...
> >
> > a.values_at( (2..6).step(2) )
> >
> > ... at least, that is what would make sense to me ... anybody else?
>
> a =3D (0..20).to_a
> a.values_at( *(2..6).step(2) ) # =3D> [2, 4, 6]
> RUBY_VERSION                   # =3D> "1.9.0"
>
> --
> Mauricio Fernandez
>
>


--
"Remember. Understand. Believe. Yield! -> http://ruby-lang.org "

Jeff Wood

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