From: Joel Pearson <lists@...>
Date: 2013-02-21T07:36:24+09:00
Subject: Re: THE CLASS/OBJECT CHICKEN-AND-EGG PARADOX

Matt Mongeau wrote in post #1098076:
> It's not really a paradox. Take for example
> irb(main):001:0> a = []
> => []
> irb(main):002:0> a << a
> => [[...]]

irb(main):003:0> a.flatten!
ArgumentError: tried to flatten recursive array
        from (irb):3:in `flatten!'
        from (irb):3
        from C:/Ruby193/bin/irb:12:in `<main>'

Ha! I bet whoever wrote that ( Matz, presumably? ) was shaking his head 
and thinking "Well this is one error message no sane programmer will 
ever see." I'd never have seen that as a possibility.

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