From: Farhad Farzaneh <ff@...>
Date: 2010-02-19T04:49:35+09:00
Subject: Ruby conditionals subtlety?

Hi,

Anyone know why thse two forms of "unless" behave differently?

> irb
irb(main):001:0> foo = true unless defined?(foo)
=> nil
irb(main):002:0> unless defined?(fooo) ; fooo = true ; end
=> true

thx
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