/*
This is probably a waste of time in the case of polyphonic
music. */
- if (found_matching_column && Note_spacing::has_interface (wish))
+ if (found_matching_column && has_interface<Note_spacing> (wish))
{
Real inc = options->increment_;
Grob *gsp = unsmob<Grob> (left_col->get_object ("grace-spacing"));
{
Item *spacing_grob = dynamic_cast<Item *> (wishes[i]);
- if (!spacing_grob || !Staff_spacing::has_interface (spacing_grob))
+ if (!spacing_grob || !has_interface<Staff_spacing> (spacing_grob))
continue;
/*