Method erase

cpp/src/map.cpp:168–174

template <class K, class T>
size_t map<K,T>::erase(const K& k) {
    if (this->empty()) {
        return 0;
    } else {
        return cache().erase(k);
    }
}

template <class K, class T>
bool map<K,T>::exists(const K& k) const {