bool entry_conflict = (block.entry()==other_exit);
bool exit_conflict = (exit==static_cast<unsigned>(other_entry));
if(!entry_conflict && !last->get_turnout_id())
bool entry_conflict = (block.entry()==other_exit);
bool exit_conflict = (exit==static_cast<unsigned>(other_entry));
if(!entry_conflict && !last->get_turnout_id())