That should work - but I would suggest to make a tiny private struct to improve
readability.
struct SupplyQuality {
uint32 distance;
uint32 serial;
bool operator<(const SupplyQuality& other) const {
return std::forward_as_tuple(distance, serial) <
std::forward_as_tuple(other.distance, other.serial);
}
}
--
https://code.launchpad.net/~widelands-dev/widelands/request_supply_opt/+merge/280193
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