I have found on StackOverflow that GNU and Squeak support Generators: http://stackoverflow.com/questions/6529815/how-are-coroutines-implemented-in... Could they be used with Pharo? Davorin Rusevljan http://www.cloud208.com/ -- View this message in context: http://forum.world.st/Generators-tp3826879p3826879.html Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.