Module Trace_core.Meta_map
type t = {
m : {exn_pair}1 M.t;
}
val mem : (module KEY_IMPL with type t = 'a) -> t -> bool
val find_exn : 'a Key.t -> t -> 'a0
val find : 'a Key.t -> t -> 'b option
val add : 'a Key.t -> 'a0 -> t -> t
val iter : (binding -> unit) -> t -> unit