Sourcetype 'a api_error = 'a EzReq_lwt_S.api_error = | KnownError of {code : int;error : 'a;
}| UnknownError of {code : int;msg : string option;
}
Sourceval handle_error : ('a -> string option) -> 'a api_error -> int * string option Sourceval string_of_error : ('a -> string option) -> 'a api_error -> string Sourceval request_reply_hook : (unit -> unit) ref