[caioariede]

In ruby: http://www.randomhacks.net/articles/2005/10/11/amb-operator

[lfborjas]

Cool, I was wondering if it could be implemented in ruby; it's a shame that callcc isn't present anymore in ruby 1.9

[lfborjas]

I was wrong, ruby 1.9 has callcc back since 2009, you have to `require 'continuation'` now, though.