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* blank? and duplicable? are Object extensionsJeremy Kemper2009-03-211-43/+0
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* Mark Class as not being duplicable. [#829 state:resolved]Frederick Cheung2008-08-211-0/+6
| | | | Signed-off-by: Pratik Naik <pratiknaik@gmail.com>
* object.duplicable? returns true if object.dup is safe. False for nil, true, ↵Jeremy Kemper2007-10-151-0/+37
false, symbols, and numbers; true otherwise. References #9333. git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@7906 5ecf4fe2-1ee6-0310-87b1-e25e094e27de