code: function genericUnit (server) {
    var processors = [];
    server.handler = function (f) { processors.push(f); };
    return function genericLayer (req, res, next) {
      for (var i = 0; i < processors.length; i++) {
        var keep = processors[i](req.ask);
        if (keep) { return; }  // Don't call next, nor the rest.
      }
      next();  // We never catch that request.
    };
  }
docs: Generic unit. Deprecated.