From: "Jesús Gabriel y Galán" <jgabrielygalan@...>
Date: 2008-06-05T16:57:29+09:00
Subject: Re: double assignation in a hash

On Thu, Jun 5, 2008 at 1:23 AM, nico Itkin <nicolas.papon@gmail.com> wrote:
> hi !
>
> I'm new to ruby, i'd like to know if it is possible to make the
> following kind of assignation in a hash, like i used to do in php :
>
> a={}
> a[:b][:c]="value"
>

For arbitrary hash nesting, try this:

irb(main):023:0> a = Hash.new {|h,k| h[k] = Hash.new(&h.default_proc)}
irb(main):024:0> a[1][2][3][4] = "hello"
irb(main):025:0> a
=> {1=>{2=>{3=>{4=>"hello"}}}}
irb(main):026:0> a[1][2][3][4]
=> "hello"


Hope this helps,

Jesus.