How do I use custom containers in C++?

How do I use custom containers in C++?

Using custom containers in C++ involves creating a class that manages a collection of objects. You can define methods for adding, removing, and accessing elements.

Can you give me an example of a simple custom container?

Sure! Here's a basic example of a custom vector-like container:

template <typename T>
class MyVector {
private:
    T* data;
    size_t size;
    size_t capacity;
public:
    MyVector() : size(0), capacity(1) {
        data = new T[capacity];
    }
    void push_back(const T& value) {
        if (size == capacity) {
            capacity *= 2;
            T* newData = new T[capacity];
            for (size_t i = 0; i < size; ++i) {
                newData[i] = data[i];
            }
            delete[] data;
            data = newData;
        }
        data[size++] = value;
    }
    // Other methods like pop_back, operator[], etc.
};

What are the advantages of using custom containers?

Custom containers allow you to tailor data structures to your specific needs, optimize performance, and manage memory more effectively than standard containers.

Are there any libraries that can help with custom containers?

Yes, libraries like Boost provide a variety of container implementations and utilities that can help you create and manage custom containers more easily.