Function if

src/meshTools/sets/pointSources/faceToPoint/faceToPoint.C:146–152

        combine(set, true);
    }
    else if (action == topoSetSource::DELETE)
    {
        Info<< "    Removing points from face in faceSet " << setName_
            << " ..." << endl;

        combine(set, false);
    }
}