DynamicArray.hpp

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#pragma once
 
#include <array>
#include <vector>
 
namespace wmtk::utils {
 
 
template <typename T, uint64_t ArraySize = 50>
class DynamicArray
{
public:
    class Iterator
    {
    public:
        Iterator(const DynamicArray* container, const uint64_t index = 0);
        Iterator operator++();
        bool operator!=(const Iterator& other) const;
        T operator*();
 
    private:
        const DynamicArray* m_container;
        uint64_t m_index = 0;
    };
 
 
    T& operator[](const uint64_t index);
    const T& operator[](const uint64_t index) const;
 
    void emplace_back(const T& val);
 
    uint64_t size() const;
    uint64_t capacity() const;
 
    constexpr static uint64_t array_size();
 
    void reserve(const uint64_t new_capacity);
 
    bool uses_vector() const;
 
    Iterator begin() const { return Iterator(this); }
    Iterator end() const { return Iterator(this, m_end_index); }
 
private:
    void switch_to_vector();
 
private:
    std::array<T, ArraySize> m_array;
    std::vector<T> m_vector;
 
    bool m_use_vector = false;
    uint64_t m_end_index = 0;
};
 
} // namespace wmtk::utils
 
#include "DynamicArray.hxx"