Make_trans.External
Data from the outside world that we need to decode.
type t = F.External.t
type 'a assoc = 'a F.External.assoc
A key-value container such as an association list or a string map.
type 'a decoder = 'a F.External.decoder
val get_int : int decoder
val get_string : string decoder
val get_float : float decoder
val get_bool : bool decoder