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I keep finding references to Ruby macros – but have yet to find an introductory discussion. Not in the ‘Programming Ruby’ book either. If I google it, I get a number of discussions that expect me to already know what they are and how they work. There is no entry in the Ruby FAQ either. Might be good to have a quick overview in this book. Does anyone have any introductory references?
http://forums.pragprog.com/forums/147/topics/4616:
http://weblog.raganwald.com/2008/06/macros-hygiene-and-call-by-name-in-ruby.html
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