Typed Racket

Sam Tobin-Hochstadt 53200d23db * Added code to check that substitution gets rid of all appropriate ... variables (and fails if not) * Added weird dotted as subtype of * case (dcon-exact) original commit: 6296ffbfcf85a624227f11f486fb195954e4479b		2008-06-20 13:07:08 -04:00
collects	* Added code to check that substitution gets rid of all appropriate	2008-06-20 13:07:08 -04:00