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Note that refinements are an 'experimental' feature only for Ruby 2.0, and many library authors don't want to use refinements. So I wouldn't expect to see a very big uptake in their adoption.

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I don't know a lot about this, apart from the fact that the implementation is a bit contentious. Can you elaborate on some of the opposition to refinements?

From the rspec maintainer: http://www.ruby-forum.com/topic/4408519

Brian Ford, one of the heads of Rubinius, has also been very outspoken about refinements, though I can't remember a specific link at this time.

Thanks Steve :)

Here's an article from Headius, JRuby developer: http://blog.headius.com/2012/11/refining-ruby.html

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