Hello,
I just make this abstraction : [list-unique-random] to get a list with random numbers (integers). I didn't see it in the list-abs or in sfruit (am i wrong ?).
You can determine :
Maybe, this is not an optimized abstraction, so people can modify it. Frank, if you want, you can modify it (my english is not very good) and add it to list-abs. ++
Jack