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multiSet: Add contains function

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This commit is contained in:
Nicolas Braud-Santoni 2013-07-07 00:14:22 +02:00
parent ab087334e1
commit 97caff7ec1
2 changed files with 9 additions and 0 deletions
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7
multiSet.ml
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@ -51,6 +51,8 @@ module type S = sig
val diff : t -> t -> t
val contains : t -> t -> bool
val compare : t -> t -> int
val equal : t -> t -> bool
@ -131,6 +133,11 @@ module Make(O : Set.OrderedType) = struct
else None)
m1 m2
let contains m1 m2 =
try
M.for_all (fun x c -> M.find x m1 >= c) m2
with Not_found -> false
let compare m1 m2 =
M.compare (fun x y -> x - y) m1 m2

2
multiSet.mli
View file

@ -51,6 +51,8 @@ module type S = sig
val diff : t -> t -> t
val contains : t -> t -> bool
val compare : t -> t -> int
val equal : t -> t -> bool