Function exec

06.Router/basic/js/vue-resource.js:1016–1026

()

          return new Promise$1(function (resolve) {

              function exec() {

                  handler = reqHandlers.pop();

                  if (isFunction(handler)) {
                      handler.call(context, request, next);
                  } else {
                      warn('Invalid interceptor of type ' + typeof handler + ', must be a function');
                      next();
                  }
              }

              function next(response) {