[erlang-questions] working with sets

Ulf Wiger ulf@REDACTED
Fri Jan 4 12:42:04 CET 2008

Have you looked at the sofs module in stdlib?


sofs = "sets of sets".

Just understanding the man page for sofs is a bit of a
challenge, though.  (:

Ulf W

2008/1/3, Vance Shipley <vances@REDACTED>:
> Can one of you CS wizzes point me at the best way to
> maintain a set of sets where all elements of all sets
> must be unique?  I don't need a really big data set
> but rolling my own with the list module feels wrong.
> For example {{1,2,3},{4,5,6},{7,8,9}} is a valid set.
> Trying to enter {9,10,11} should fail.
>         -Vance
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