From: HarryO <harryo@...>
Date: 2001-12-24T03:57:43+09:00
Subject: [ruby-talk:29376] Re: a better way?

On Mon, 24 Dec 2001 05:09:24 +1100, Mathieu Bouchard wrote:



> fahrenheit = Hash.new do |h, c| h[c] = c * 9 / 5 + 32 end p
> fahrenheit[100] # => 212
> p fahrenheit[200] # => 392

Now, this is really nice!  I hadn't realised one could
provide a block as the default value for a Hash.  Very
clever indeed.