Return true if the specified lhs has a value less than the specified rhs, and false otherwise. Datetime lhs has a value less than timetable transition rhs if lhs < rhs.datetime(). The behavior is undefined unless 24 > lhs.hour().
Declared in <bdlt_timetable.h>
bool
operator<(
Datetime const& lhs,
TimetableTransition const& rhs);