Function foreachpair

src/slave/http.cpp:1403–1409

                "reserved_resources",
                [&totalResources, &approvers](JSON::ObjectWriter* writer) {
                  foreachpair (const string& role,
                               const Resources& resources,
                               totalResources.reservations()) {
                    if (approvers->approved<VIEW_ROLE>(role)) {
                      writer->field(role, resources);
                    }
                  }
                });

            writer->field("unreserved_resources", totalResources.unreserved());