From: Tom Link <micathom@...>
Date: 2009-02-07T19:44:41+09:00
Subject: Re: Special Hash Constructors

>   def Hash.with(default=nil)
>     begin

I think we have to insert a check for "dupability" here:

        default.dup
>       new { | h, k | h[k] = default.dup }
...

This method isn't capable of emulating the with_hashes method proposed
by Robert K though, is it?