From: John Pritchard-williams <monojohnny@...>
Date: 2008-09-01T23:21:58+09:00
Subject: Checking for 'nil' Class (not instance) variables?

See below, what's the proper way of checking for initialized
class-variables ?

Cheers

John
--
irb(main):031:0> @nosuchvar.nil?
=> true
irb(main):032:0> @@nosuchvar.nil?
NameError: uninitialized class variable @@nosuchvar in Object
        from (irb):32
irb(main):033:0>
-- 
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