From: Piyush Ranjan <piyush.pr@...>
Date: 2008-09-07T04:01:10+09:00
Subject: Re: any way to write it in one line ?

------=_Part_97588_28455353.1220728030919
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline

 works =3D  Array.new; session[:cart_works].each_pair {|key, value| works <=
<
key if value =3D=3D user_id}

there! fits in one line
:P :P



On Sun, Sep 7, 2008 at 12:06 AM, Jes=FAs Gabriel y Gal=E1n <
jgabrielygalan@gmail.com> wrote:

> >
> > On Sat, Sep 6, 2008 at 7:14 PM, Erwin <yves_dufour@mac.com> wrote:
> >
> >>     works =3D  Array.new
> >>     session[:cart_works].each_pair {|key, value| works << key if
> >> value =3D=3D user_id}
> >>
> >> how to initialize the works array in the bloc ?
>
> On Sat, Sep 6, 2008 at 8:19 PM, Dave Goodchild <buddhamagnet@gmail.com>
> wrote:
> > session[:cat_works].each_pair do |key, value|  works =3D Array.new unle=
ss
> > works
> >  works << key if value =3D=3D user_id
> > end
>
> I think that in this case works is not visible outside of the block
> (unless you already had it defined, which kind of defeats the purpose):
>
> irb(main):007:0> h.each_pair {|k,v| arr =3D Array.new unless arr; arr <<
> k if v=3D=3D3}
> =3D> {:c=3D>3, :a=3D>3, :b=3D>5}
> irb(main):008:0> arr
> NameError: undefined local variable or method `arr' for main:Object
>        from (irb):8
>
> Jesus.
>
>

------=_Part_97588_28455353.1220728030919--