[plt-dev] ParenQuest

Henk Boom wrote:
> 2009/3/16 Jay McCarthy <jay.mccarthy at gmail.com>:
>   
>> You might enjoy playing ParenQuest for a few moments.
>>
>> wget faculty.cs.byu.edu/~jay/tmp/rl.tar.gz
>> tar xzvf rl.tar.gz
>> mred -t rl/ui-world.ss
>>
>> Use the numpad or the arrow keys or VI keys to move around.
>> Press "," to pick up a parenthesis
>> (Make sure you don't misbalance or pick up the wrong color at the wrong time)
>>
>> Look for an error message on the console if you win/lose
>>     
>
> I got an error message instead of a game =(. What version does it run on?
>
> henk at korhal ~/tmp $ mred -t rl/ui-world.ss
> rl/text-world/text-world-sig.ss:10:4: define-signature: unknown
> signature form at: contracted in: (define-signature text-world^
> ((contracted (scene? (-> any/c boolean?)) (empty-scene (->
> exact-positive-integer? exact-positive-integer? scene?)) (image? (->
> any/c boolean?)) (place-image (-> image? exact-nonnegative-integer?
> exact-nonnegative-integer? ...
>
>  === context ===
> try-next
> /usr/lib/plt/collects/scheme/private/modbeg.ss:44:4
>
>   
I got a different error:
cadr: expects argument of type <cadrable value>; given #f

 === context ===
/home/jon/svn/plt/collects/2htdp/universe.ss:154:23
/home/jon/svn/plt/collects/scheme/private/map.ss:22:17: loop
/home/jon/svn/plt/collects/2htdp/universe.ss:132:0

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