Poly.Make_applicative_traversals
module A : Applicative.Lazy_applicative
val mapi : ('k, 'v1) t -> f:(key:'k -> data:'v1 -> 'v2 A.t) -> ('k, 'v2) t A.t
val filter_mapi : ('k, 'v1) t -> f:(key:'k -> data:'v1 -> 'v2 option A.t) -> ('k, 'v2) t A.t