[racket-users] Re: Removing duplicates from a list while maintaining order

I'm not a student, and haven't touched scheme since first year university in 2006. I overheard the problem discussed and wanted to give it a shot. Essentially wondering since I couldn't do it with all the constraints, whether I'm lacking some fundamental understanding. -- You received this mes

[racket-users] Re: Removing duplicates from a list while maintaining order

Thanks for all the help guys, it really helps with my understanding. So it seems to me there's no real easy way to do this while keeping all the restrictions intact. I sat here thinking about it for quite a while before posting, as I thought I missed some simple solution, as I'm inexperienced

[racket-users] Removing duplicates from a list while maintaining order

Hi all, Trying to learn a bit about recursion in racket. The question is to remove duplicates from a list while maintaining the order of the list. one function to remove duplicates from the left, i.e. 1 2 1 3 2 4 5 -> 1 2 3 4 5 and one from the right. i.e. 1 2 1 3 2 4 5 -> 1 3 2 4 5 I've go