Typed Racket

Sam Tobin-Hochstadt c6c381a207 use syntax-parse ... support #:predicate option to `define-typed-struct-internal' svn: r17822 original commit: c9b246a8d2f15a27cc438b8827ec6eef0232b16e		2010-01-25 19:35:56 +00:00
collects	use syntax-parse	2010-01-25 19:35:56 +00:00