houpengfei88 / play-with-data-structures Goto Github PK

    void resize(int newCapacity) {
        T *newData = new T[newCapacity];
        for (int i = 0; i < size; ++i) {
            newData[i] = data[i];
        }
        data = newData;
        capacity = newCapacity;
        newData = nullptr;
        // 毕竟已经等于nullptr了, 释放一下好像也没有什么坏处,  但是我猜测这里你不是想干这件事, 因为nullptr不需要使用 []来释放
        delete []newData;
    }

    void reSize(int newCapacity){
        auto *newData = new T[newCapacity];
        auto *oldData = data;
        for (int i = 0; i < size; i++) {
            newData[i] = data[i];
        }
        data = newData;
        capacity = newCapacity;
        delete []oldData;
    }