Ryan Davis <r...@acceleration.net> writes: > The answer we arrived at was "yes": > > (defun send-email (to from subject body) > (let ((to (etypecase to > (string to) > ((integer 0) (email (fetch-client to))) > (client (email to)) > ))) > ;; ... more code > )) > > The "to" parameter can be anythings that can be mapped to an email > address.
Yes, it's what's usually called a "designator", specifically, an email designator. CL itself defines and uses a few designator types (string designators, package designators, pathname designators, list designators, etc). -- __Pascal Bourguignon__ http://www.informatimago.com/ A bad day in () is better than a good day in {}. _______________________________________________ pro mailing list pro@common-lisp.net http://lists.common-lisp.net/cgi-bin/mailman/listinfo/pro
