From: Robert Klemme <shortcutter@...>
Date: 2009-05-26T04:50:05+09:00
Subject: Re: hash assignment [:x] vs ['x']

On 25.05.2009 20:13, Rick DeNatale wrote:

> Strings are mutable, ...

Well, most of the time - but sometimes they aren't:

irb(main):001:0> "I am not".freeze.upcase!
RuntimeError: can't modify frozen string
         from (irb):2:in `upcase!'
         from (irb):2
         from /usr/local/bin/irb19:12:in `<main>'
irb(main):002:0>

;-)

Kind regards

	robert

-- 
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