sig
val main : Mapred_def.mapred_job -> unit
val exec_job :
?options:((string * string) list Pervasives.ref ->
(Arg.key * Arg.spec * Arg.doc) list) ->
Mapred_def.mapred_env -> Mapred_def.mapred_job -> unit
type spec =
string * string * (Mapred_def.mapred_env -> Mapred_def.mapred_job) *
(Mapred_def.mapred_env -> Mapred_def.mapred_job -> unit)
val dispatch : Mapred_main.spec list -> unit
end