[plt-scheme] Re: list output

Plenty ideas but for you only questions.

Grant read the error message to you. It doesn't say ANYTHING about  
parameters. What does it mean?


On Apr 29, 2009, at 2:15 PM, -gary- wrote:

> Too few parameters maybe?  I'm not entirely sure.
>
> As for the append, I'm not sure what the problem is because judging
> from any examples I've seen, this seems correct.  Any idea's?
>
> On Apr 29, 1:11 pm, Matthias Felleisen <matth... at ccs.neu.edu> wrote:
>> So what does the error message mean? Which btw is the same one as you
>> get for Jay's sample program:
>>
>>> (define list1 (list 1 2))
>>> (define list2 (list 3 4))
>>> (append (list1) (list2))
>>
>> ??????????
>>
>> On Apr 29, 2009, at 1:12 PM, -gary- wrote:
>>
>>
>>
>>> No, I read that map would be better than the way I was trying to do
>>> it.
>>
>>> On Apr 29, 1:01 pm, Matthias Felleisen <matth... at ccs.neu.edu> wrote:
>>>> On Apr 29, 2009, at 12:52 PM, -gary- wrote:
>>
>>>>> I decided to just use map and output the list in a HTML select  
>>>>> menu.
>>
>>>> You mean you refused to understand the error message?
>>
>>>>> Am I correct in assuming that:
>>>>> - (append (list1) (list2) )
>>>>> should append list1 to list2?
>>
>>>> See above.
>>
>>>>> I have been trying this and nothing
>>>>> appears to be happening.  Am I doing anything wrong in the above?
>>
>>>>> On Apr 29, 10:28 am, Matthias Felleisen <matth... at ccs.neu.edu>
>>>>> wrote:
>>>>>> And presumably (list-name) was high-lighted? (I am assuming
>>
>>>>>>    (define list-name '((1 "xxx") (2 "yyy")))
>>>>>>    (printf "~s\n" (list-name))
>>
>>>>>> or something like this is your entire program.)
>>
>>>>>> Last favor: what's your conclusion?
>>
>>>>>> On Apr 29, 2009, at 10:28 AM, -gary- wrote:
>>
>>>>>>> [EDIT]
>>
>>>>>>> Apologies, The actual error message for this was:
>>>>>>> "procedure application: expected procedure, given: ((1 "xxx") (5
>>>>>>> "xxx") (2 "xxx")) (no arguments)"
>>
>>>>>>> On Apr 29, 10:12 am, Matthias Felleisen <matth... at ccs.neu.edu>
>>>>>>> wrote:
>>>>>>>> On Apr 29, 2009, at 10:03 AM, -gary- wrote:
>>
>>>>>>>>> Thanks for the replies.
>>
>>>>>>>>> I have tried printf, display etc. but they all give me an
>>>>>>>>> exception.
>>>>>>>>> I used:
>>>>>>>>>  (printf "~s\n" (list-name))
>>
>>>>>>>> For your sake, I am giving you a question as an answer:
>>
>>>>>>>>   -- What did the error highlight in drscheme?
>>>>>>>>   -- Did you read the error message?
>>
>>>>>>>>> On Apr 29, 9:53 am, Noel Welsh <noelwe... at gmail.com> wrote:
>>>>>>>>>> On Wed, Apr 29, 2009 at 2:47 PM, -gary-  
>>>>>>>>>> <gary.dun... at gmail.com>
>>>>>>>>>> wrote:
>>>>>>>>>>> I have a list which I want to output.  What would be the  
>>>>>>>>>>> best
>>>>>>>>>>> way to
>>>>>>>>>>> do this?
>>
>>>>>>>>>> Well... what defines "best" for you?
>>
>>>>>>>>>> You might start with display, write, and printf.
>>
>>>>>>>>>>> Also, is it possible to concatenate two lists together?
>>
>>>>>>>>>> append.
>>
>>>>>>>>>> N.
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