19 lines
548 B
19 lines
548 B
4 years ago
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(*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*)
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include module type of CCHashSet with module Make := CCHashSet.Make
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module Make (E : ELEMENT) : sig
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include module type of CCHashSet.Make (E)
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val add : t -> elt -> bool
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(** [add s x] adds [x] into [s] and returns whether [s] was changed, that
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is, [add s x = not (mem s x)] *)
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val update : t -> elt -> f:(elt option -> elt option) -> unit
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end
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