[plt-scheme] solution for exercise 11.2.4

ok now i'm stucked...
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> CC: plt-scheme at list.cs.brown.edu
> From: matthias at ccs.neu.edu
> Subject: Re: [plt-scheme] solution for exercise 11.2.4
> Date: Mon, 9 Jun 2008 20:38:29 -0400
> To: cr-service at hotmail.it
> 
> 
> Let me rephrase John's criticism: you jumped the gun and shot yourself.
> 
> Just answer the questions that I asked. Not more, not less.
> 
> 
> On Jun 9, 2008, at 6:53 PM, carlo ambrogio wrote:
> 
>>
>> the template could be:
>>
>> (define (depth a-dl)
>>   (cond
>>     [(symbol? a-dl) ...]
>>     [else ... (first a-dl) ... (depth (rest a-dl)) ...]))
>>
>> how many clauses does the data def have? (how many clauses must the
>> function def have?)
>>
>> I think 2 (the data can be a symbol or a list)
>>
>>
>>
>>
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