Arg.GProtectingCollects information about which variables are protected by which mutexes
include Lattice.Sinclude Lattice.POwiden x y assumes leq x y. Solvers guarantee this by calling widen old (join old new).
val make : kind:access_kind -> recovered:bool -> MustLockset.t -> tval get :
kind:Queries.ProtectionKind.t ->
Queries.Protection.t ->
t ->
MustLockset.t