[rucksack-devel] Re: (not) Understanding proxy

Dr. Helmut G. Enders helmut at cybernetic-systems.de
Mon Aug 25 11:40:08 UTC 2008


Solved, sorry for the noice.

I used list instead of p-list (second instead of p-cadr) etc.

Helmut

> In my rucksack are persons (p1..p3), each has a slot with a list of friend.
> I set the the friends of p1 to (list p1 p2 p3).
> Now I want to put p1 onto the friends list of p2:
>   (see ;<-------------- below)
> and got the error message:
> 
> There is no applicable method for the generic function
>   #<STANDARD-GENERIC-FUNCTION (SETF RUCKSACK-TUTORIAL::FRIENDS) (1)>
> when called with arguments
>   ((#<RUCKSACK-TUTORIAL::PERSON #27 with transaction id 342863958800000>)
>    #<RUCKSACK::PROXY {B9D1E19}>).
> 
> The problem is propably in my (not) understanding what a Proxy is.
> Are there some more docs than in the doc directory? :-)
> 
> Thanks,
> Helmut
> 



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