> Would anyone like to explain if callCC in R 2.7.0 gives > anything that on.exit does not already provide? > > It seems that the exit condition once defined cannot > be added to overridden whereas with on.exit multiple > on.exit's add additional on.exits rather than being ignored. > > Is this important?
It facilitates a completely different style of programming - see http://en.wikipedia.org/wiki/Continuation-passing_style -- http://had.co.nz/ ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel