Js_of_ocaml_toplevel_protocol.Wrapped_intf
type loc = {
loc_start : int * int;
loc_end : int * int;
}
type error = {
msg : string;
locs : loc list;
type warning = error
type 'a result =
| Success of 'a * warning list
| Error of error * warning list
module type Wrapped = sig ... end