[plt-scheme] Question about Intermediate Student

Yes, I believe intermediate still requires an identifier in the
function position of every application. Try intermediate+lambda.

Robby

On Thu, Apr 9, 2009 at 10:18 PM, Todd O'Bryan <toddobryan at gmail.com> wrote:
> Whoops, I had forgotten that that was a book problem. I do it in class
> with my students and then have them write geometric-function. (I'll
> check to make sure it's not on my website.)
>
> Are you in 4.1.5?
>
> Welcome to DrScheme, version 4.1.5 [3m].
> Language: Intermediate Student; memory limit: 128 megabytes.
> This program should be tested.
>> ((arithmetic-sequence 5 2) 4)
> function call: expected a name after an open parenthesis, but found
> something else
>
> Todd
>
>
> On Thu, Apr 9, 2009 at 10:45 PM, Carl Eastlund <cce at ccs.neu.edu> wrote:
>> Todd,
>>
>> Thanks for the question.  I'm happy to answer it, but first, the code
>> you've posted looks an awful lot like the solution to a homework
>> problem from HtDP -- in fact, one that was assigned recently in a
>> course here at Northeastern University.  I have no doubt your
>> intentions were innocent, but please do not post complete solutions to
>> homework problems on this mailing list.  Students (at any school) may
>> not be so noble in their intentions when looking up Scheme on the
>> internet.
>>
>> On Thu, Apr 9, 2009 at 10:33 PM, Todd O'Bryan <toddobryan at gmail.com> wrote:
>>>
>>> The problem is that you can pass the result of this function to other
>>> functions, but you can't call it.
>>>
>>> (build-list 5 (arithmetic-sequence 2 3)) --> (list 2 5 8 11 14)
>>>
>>> but
>>>
>>> ((arithmetic-sequence 2 3) 0) produces an error.
>>
>> I pasted the code you provided and the expression above did not give
>> me an error - it produced a value.  I tried it in both the definitions
>> window and the interactions window.  What error message are you
>> seeing?
>>
>> --
>> Carl Eastlund
>>
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