initializer_list.h

#pragma once

#include "cstdlib/cstdint.h"

namespace std {
    template<typename T>
    class initializer_list {
    public:
        using iterator = const T *;
        using const_iterator = const T *;

    private:
        iterator _array;
        size_t _sz;

        constexpr initializer_list(const_iterator ar, size_t _sz)
                : _array{ar}, _sz{_sz} {
        }

    public:
        constexpr initializer_list()
                : _array{0}, _sz{0} {
        }

        [[nodiscard]] constexpr size_t size() const noexcept {
            return _sz;
        }

        [[nodiscard]] constexpr const_iterator begin() const noexcept {
            return _array;
        }

        [[nodiscard]] constexpr const_iterator end() const noexcept {
            return _array + _sz;
        }
    };

}  // namespace std