Module VarMap.List

val add : key -> 'a -> 'a list t -> 'a list t

Add element to the list at key, create list if non-existent

val mem : key -> 'a -> 'a list t -> bool
val find : key -> 'a list t -> 'a list
val iter : (key -> 'a -> unit) -> 'a list t -> unit
val fold : (key -> 'a -> 'acc -> 'acc) -> 'a list t -> 'acc -> 'acc