CSVDocument.ClearColumnName Method

    var csvdoc = new CSVDocument;
    csvdoc << CSV(c1,c2,c3) {
    1,2,3
    4,5,6
    };
    for (var c = 0; c < csvdoc.Columns; c++) {
        print(csvdoc.GetColumnName(c), "\n");
    }
    csvdoc.ClearColumnName();