From: Ryan Davis <ryand-ruby@...>
Date: 2011-01-04T09:42:12+09:00
Subject: [ruby-core:34039] Re: Exception#to_s and non-String Messages


On Jan 3, 2011, at 14:44 , Run Paint Run Run wrote:

> I don't know when Redmine will be back up, so:
> 
> Exception objects allow an arbitrary object for the message:
> 
>>> RUBY_REVISION
> => 30240
>>> FiberError.exception([]).message
> => []
>>> Exception.new(Object.new).message
> => #<Object:0x00000002a283f0>
> 
> And Exception#to_s returns said object verbatim:
> 
>>> FiberError.exception([]).to_s
> => []
> 
> This breaks the contract of #to_s returning either a String or nil.

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