module MoreLabels: sig .. endExtra labeled libraries.
This meta-module provides labelized versions of the Hashtbl, Map and
Set modules.
This module is intended to be used through open MoreLabels;
which replaces
Hashtbl, Map, and Set with their labeled counterparts.
For example:
open MoreLabels
Hashtbl.iter ~f:(fun ~key ~data -> g key data) table
module Hashtbl: sig .. end
module Map: sig .. end
module Set: sig .. end