__item_t__ __item__ () const { return *it; }
bool __more__ () const { return bool (it); }
void __next__ () { do ++it; while (it && !hb_has (p.get (), hb_get (f.get (), *it))); }
- void __prev__ () { --it; }
+ void __prev__ () { do --it; while (it && !hb_has (p.get (), hb_get (f.get (), *it))); }
hb_filter_iter_t __end__ () const { return hb_filter_iter_t (it.end (), p, f); }
bool operator != (const hb_filter_iter_t& o) const
{ return it != o.it || p != o.p || f != o.f; }