From: Marc Heiler <shevegen@...>
Date: 2008-07-25T00:33:04+09:00
Subject: Re: differnce between .nil? , .empty?, .blank?

Isn't .nil? and .empty? in a way testing for a very similar situation?

Some instance var:
  @colour = 'black'


Compared:
  @colour = ''
  @colour = nil


Which one to prefer of these?
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