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in-package search v0.2.0
val inter : ?compare:('a -> 'a -> int) -> 'a list -> 'a list -> 'a list
val union : ?compare:('a -> 'a -> int) -> 'a list -> 'a list -> 'a list
val subset : ?compare:('a -> 'a -> int) -> 'a list -> 'a list -> bool
val equal : ?compare:('a -> 'a -> int) -> 'a list -> 'a list -> bool
val is_proper_set : 'a list -> bool