From: Mark Hubbart <discordantus@...>
Date: 2005-10-23T09:45:55+09:00
Subject: Re: array in hash... argh!!

On 10/22/05, Mark Hubbart <discordantus@gmail.com> wrote:
> On 10/21/05, Jamis Buck <jamis@37signals.com> wrote:
> > On Oct 21, 2005, at 1:26 PM, Marco wrote:
> >
> > > hello all.
> > > i hope someone here can help me out. i really don't understand haw
> > > to do this.
> > > i have a hash like this:
> >
> > I'm always up for a good game of golf. :)
>
> what? did I hear "golf"? :D
>
> > > "movies"=>{
> > >     "title"=>["ciccio", "test", "ciccio panza"],
> > >     "id"=>["3", "4", "1"],
> > >     "description"=>["1", "", "hey?"],
> > >     "insert_date"=>["2005-10-19", "2005-10-20", "2005-10-18"]
> > >  }
>
> Not as short as some, but we gotta throw a short inject version in somewhere:
>
> h.inject([]){|a,(k,s)|i=-1;s.map{|v|a[i+=1]||={};a[i][k]=v};a}

shaved off a few more chars:

h.inject([]){|a,(k,s)|i=-1;s.map{|v|(a[i+=1]||={})[k]=v};a}

Okay, that's it. I just realized this thread is a little old :)

cheers,
Mark