[plt-scheme] Re: list output

 > (append '(1 2 3) '(a b c))
'(1 2 3 a b c)

what is NOT appending about this? This is exactly what it means to  
create a list from two that juxtaposes the two sequences of elements.



On Apr 29, 2009, at 2:57 PM, -gary- wrote:

> Thank you Thomas.
>
> It seems that I don't need the parentheses around the parameters.
> I have now changed it to:
> - (append list1 list2 )
> which seems to fit better with my other procedure calls.  This is
> still not appending though.  I can output both lists separately and
> got what I expected so the lists seem to be valid.  I can't see
> anything else that is wrong here.
>
> On Apr 29, 2:31 pm, Thomas Chust <ch... at web.de> wrote:
>> 2009-04-29 -gary- <gary.dun... at gmail.com>:
>>
>>> Too few parameters maybe?  I'm not entirely sure.
>>> [...]
>>
>> Hint: The error message complains that a procedure was expected, but
>> something different was found in the operator position of a function
>> call.
>>
>> So how does a function call look like in Scheme? Check all  
>> expressions
>> in your program that look like one and ask yourself whether the
>> expressions in operator position really evaluate to functions in all
>> cases...
>>
>> cu,
>> Thomas
>>
>> --
>> When C++ is your hammer, every problem looks like your thumb.
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