- vsize start = lower_bound (breakable_moments_, brk.duration_[LEFT], std::less<Rational> ());
- vsize end = upper_bound (breakable_moments_, brk.duration_[RIGHT], std::less<Rational> ());
+ vsize start = lower_bound (breakable_moments_, brk.duration_[LEFT], less<Rational> ());
+ vsize end = upper_bound (breakable_moments_, brk.duration_[RIGHT], less<Rational> ());