Module `Univ_map.Multi`

list-accumulating keys with a default value of the empty list

module Key : sig ... end

val set : t -> 'a Key.t -> 'a Core_kernel__.Import.list -> t
val find : t -> 'a Key.t -> 'a Core_kernel__.Import.list
val add : t -> 'a Key.t -> 'a -> t
val change : t -> 'a Key.t -> f:('a Core_kernel__.Import.list -> 'a Core_kernel__.Import.list) -> t