On Wed, Nov 30, 2011 at 1:09 PM, Dan Grossman <[email protected]> wrote: > DrRacket version 5.1.3: > > file contents: > > #lang racket > (provide (contract-out (x integer?))) > (define x 3) > > run result: > > contract-out: not a provide sub-form in: (contract-out (x integer?)) > > Do I need to upgrade to 5.2?
Yes, contract-out did not exist before 5.2. > (I'm following the documentation at > http://docs.racket-lang.org/guide/contract-boundaries.html.) > > Thanks! > > --Dan _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
