On Wed 26 Mar 2014 04:19, Mark H Weaver <m...@netris.org> writes: > Mark H Weaver <m...@netris.org> writes: > > It occurs to me that one possibility would be to allow some of these > parameters to effectively mirror the value of some other parameter.
> One way to implement this would be to make the corresponding fluid be a > thunk that returns a port, instead of the port itself. The converter > could accept either a port or a parameter, and convert each of these to > a suitable thunk. Finally, we'd make custom 'current-warning-port' and > 'current-error-port' procedures that would handling calling the thunk. This would mean that you couldn't use current-warning-port as a parameter and a procedure. I think this complexity argument is sufficient to argue against having more current-foo-ports :) Anyd -- http://wingolog.org/
