val string_of_uri: uri -> string
val name_of_uri: uri -> string
+val baseuri_of_uri: uri -> string
val uri_of_string: string -> uri
val eq: uri -> uri -> bool
val compare: uri -> uri -> int
+val hash: uri -> int
module UriHash: Hashtbl.S with type key = uri
module UriMap: Map.S with type key = uri