One of my favorite things about Common Lisp is that it has gotos and stack unwinding to dynamically (at runtime) determined points: http://www.lispworks.com/do

One of my favorite things about Common Lisp is that it has gotos and stack unwinding to dynamically (at runtime) determined points: http://www.lispworks.com/documentation/HyperSpec/Body/s_go.htm http://www.lispworks.com/documentation/HyperSpec/Body/s_go.h... http://clhs.lisp.se/Body/s_tagbod.htm http://clhs.lisp.se/Body/s_tagbod.htm http://www.lispworks.com/documentation/HyperSpec/Body/s_throw.htm http://www.lispworks.com/documentation/HyperSpec/Body/s_thro...