val modUser : user -> unit
val deleteUser : int -> string
val byPledge : unit -> user list
val modUser : user -> unit
val deleteUser : int -> string
val byPledge : unit -> user list
type node = {id : int, name : string, descr : string, debian : string}
val listNodes : unit -> node list
type node = {id : int, name : string, descr : string, debian : string}
val listNodes : unit -> node list