confusion with local variable assignment

Newsgroups	comp.lang.ruby
Date	2014-04-11 06:24 -0700
Message-ID	<3d3ebc5f-5c80-459e-963e-a3ffbea1dcec@googlegroups.com> (permalink)
Subject	confusion with local variable assignment
From	Arup Rakshit <tuka.08@gmail.com>

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When you write

a = b # error. As b is not defined as a method or local variable

But if you try - 

a = a or b = b, MRI parse it without error. How the `a` or `b` on the right side is allowed, where as I didn't define them earlier.

Thanks

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confusion with local variable assignment Arup Rakshit <tuka.08@gmail.com> - 2014-04-11 06:24 -0700
  Re: confusion with local variable assignment Robert Klemme <shortcutter@googlemail.com> - 2014-04-11 19:41 +0200
    Re: confusion with local variable assignment Arup Rakshit <tuka.08@gmail.com> - 2014-04-11 10:51 -0700
      Re: confusion with local variable assignment Robert Klemme <shortcutter@googlemail.com> - 2014-04-12 10:38 +0200

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