if (Item *piece = g->find_prebroken_piece (break_dirs[d]))
g = piece;
- if (g && Separation_item::has_interface (g) && g->get_column () == columns[d])
+ if (has_interface<Separation_item> (g) && g->get_column () == columns[d])
{
SCM sky_scm = g->get_property ("horizontal-skylines");
Skyline_pair *sky = unsmob<Skyline_pair> (sky_scm);
for (vsize i = 0; i < elts.size (); i++)
{
- if (Note_column::has_interface (elts[i]))
+ if (has_interface<Note_column> (elts[i]))
ret.push_back (dynamic_cast<Item *> (elts[i]));
- else if (Separation_item::has_interface (elts[i]))
+ else if (has_interface<Separation_item> (elts[i]))
{
extract_grob_set (elts[i], "elements", more_elts);
vector<Item *> ncs = get_note_columns (more_elts);