From: "Ara.T.Howard" <ahoward@...>
Date: 2004-01-14T05:06:42+09:00
Subject: Re: Warnings on assignments in conditionals?

On Wed, 14 Jan 2004, David Heinemeier Hansson wrote:

> Date: Wed, 14 Jan 2004 02:40:16 +0900
> From: David Heinemeier Hansson <david@loudthinking.com>
> Newsgroups: comp.lang.ruby
> Subject: Warnings on assignments in conditionals?
> 
> I consider the following statements to be perfectly legit (although 
> perhaps slightly ambigious) and Ruby does obey, but throws this 
> mandating warning. Am I just being paranoid or is Ruby forcing a style 
> upon me :)?
> 
> irb(main):008:0> if a = 1 then true else false end
  irb(main):008:0> if((a = 1)) then true else false end


> (irb):8: warning: found = in conditional, should be ==
> => true
> irb(main):009:0> a
> => 1
> 
> irb(main):010:0> if a = nil then true else false end
  irb(main):010:0> if((a = nil)) then true else false end

> (irb):10: warning: found = in conditional, should be ==
> => false
> irb(main):011:0> a
> => nil
> --
> David Heinemeier Hansson.
> http://www.loudthinking.com/ -- Broadcasting Brain


-a
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