Code: Alles auswählen
for (auto &outerPair : m_Points) {
auto &innerMap = outerPair.second;
for (auto it = innerMap.cbegin(); it != innerMap.cend(); /* nix */) {
if (it->second.x == 0 && it->second.y == 0) {
innerMap.erase(it++);
} else {
++it;
}
}
}