Parameters
Signature
- type t
- type 'a key-  = 'a tag
- type 'a value-  = 'a Value.t
- val empty : t
- val add : 'a key -> 'a value -> t -> t
- val remove : 'a key -> t -> t
- val find : 'a key -> t -> 'a value
- val mem : 'a key -> t -> bool
- type map-  = - {- }
- val map : map -> t -> t
- type any-  = 
- val iter : (any -> unit) -> t -> unit
- val fold : (any -> 'r -> 'r) -> t -> 'r -> 'r