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Require Import ExtLib.Structures.Maps.
Require Import ExtLib.Structures.Sets.
Set Implicit Arguments.
Set Strict Implicit.
(** Canonical instance, a set is the same as a map where the values
are unit
**)
(*
Section SetFromMap.
Variable T : Type.
Variable R : T -> T -> Prop.
Variable m : Type -> Type.
Variable Map_T : Map T m.
Global Instance CSet_map : @DSet (m unit) T R :=
{ empty := Maps.empty
; contains := fun k m => match lookup k m with
| None => false
| Some _ => true
end
; add := fun k m => Maps.add k tt m
; remove := fun k m => Maps.remove k m
; singleton := fun v => Maps.add v tt Maps.empty
}.
End SetFromMap.
*)
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