void ForEachTime(unsigned item_index, C &&c) {
assert(item_index < maps.size());
const auto &mi = maps[item_index];
for (unsigned i = 0; i < MAX_WEATHER_TIMES; ++i)
if (mi.times[i])
c(IndexToTime(i));
}
gcc_const
unsigned GetItemCount() const {
return maps.size();
}
bool IsTimeAvailable(unsigned item_index, unsigned time_index) const {
assert(item_index < maps.size());
assert(time_index < MAX_WEATHER_TIMES);
return maps[item_index].times[time_index];
}