From: ts <decoux@...>
Date: 2002-01-26T23:03:41+09:00
Subject: Re: Serious Array Bug in Ruby 1.6.6?


 [ I've modified the quote, difficult to understand with your strange way
  to quote ;-)]

>>>>> "W" == William Djaja Tjokroaminata <billtj@y.glue.umd.edu> writes:
W> ts <decoux@moulon.inra.fr> wrote:

W> Doesn't Object#dup or Object#clone work with *any* object?

>> no,

W> Well, surely it is defined for all objects, as all objects are derived
W> from Object.  Whether the result is expected or not, it is a different
W> story.  At least, it should work with the majority of built-in
W> classes.  Of course, for custom classes, we are on our own.

 Well, someone else has given the reason, here just an example

pigeon% ruby -e 'p nil.dup'
-e:1:in `clone': can't clone nil (TypeError)
        from -e:1:in `dup'
        from -e:1
pigeon% 


Guy Decoux