did you test and run?
On Mar 15, 2012, at 5:29 PM, Roelof Wobben wrote: > 2. Define a key-handler function >> This is what I made : >> >> ; AllKeys String -> AllKeys >> ; add ke to w, the state of the world >> (define (key-handler w ke) >> (cond >> [ (key=? ke "\t") w] >> [ (key=? ke "\r") w] >> [ (key=? ke " ") w] >> [ (key=? ke "\b") w] >> [ (>( string-lenght ke) 1) w >> [else (string-append w ke)])) >> > > No more remarks or learning points. > > Roelof > > ____________________ > Racket Users list: > http://lists.racket-lang.org/users ____________________ Racket Users list: http://lists.racket-lang.org/users