I'm not sure why you were down voted. An excellent overview of coroutines in general, and specifically as they are used in Lua, is http://www.inf.puc-rio.br/~r

I'm not sure why you were down voted. An excellent overview of coroutines in general, and specifically as they are used in Lua, is http://www.inf.puc-rio.br/~roberto/docs/MCC15-04.pdf http://www.inf.puc-rio.br/~roberto/docs/MCC15-04.pdf