On Fri, Apr 30, 2004 at 01:54:29PM -0400, Rahul Siddharthan wrote:
> I have a question: suppose I have a list l1, and I want to create a new
> list l2 with only one copy of any repeated members of the first list
> (eg, l1=[1;2;3;4;3;4;5;6;5] -> l2=[1;2;3;4;5;6])

This is actually another function which could be usefully added to
the standard library, along with:

frequency : 'a list -> (int * 'a) list     (requires input list to be sorted)

and group_by, defined by Isaac Trotts here:

http://groups.yahoo.com/group/ocaml_beginners/message/1556

Rich.

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