From: Joel VanderWerf <vjoel@...>
Date: 2002-12-19T05:16:53+09:00
Subject: Re: Hash.new{...} bug?

Bulat Ziganshin wrote:
> Hello nobu,
> 
> Wednesday, December 18, 2002, 4:47:39 PM, you wrote:
> 
> 
>>>hash = Hash.new{Hash.new}
> 
> nnsn> Hash 'default' proc never modify the hash itself automatically.
> nnsn> Try with this.
> 
> nnsn>   hash = Hash.new {|h,k| h[k] = Hash.new}
> 
> thanks. but with Hash.new(...) hash element updated to default value.
> is this difference intended?

What difference to you mean?

h1 = Hash.new(7)
h2 = Hash.new{7}

p h1[3]
p h2[3]

p h1
p h2

Output:
7
7
{}
{}