From: William James <w_a_x_man@...>
Date: 2007-07-21T05:24:59+09:00
Subject: Re: how to make a[2][2][3]=4 work?

On Jun 12, 1:29 am, gz zz <gpyg...@126.com> wrote:
> a=Hash.new{|h,k|
>   h[k]={}
>
> }
>
> p a[1]=1
>
> a[2][1]=2
>  #a[2][2][3]=4


a = {}
    ==>{}
a[1] = 1
    ==>1
a[ [2,1] ] = 2
    ==>2
a[ [2,2,3] ] = 4
    ==>4
p a
{[2, 2, 3]=>4, [2, 1]=>2, 1=>1}
    ==>nil