color_index.hpp

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#pragma once
 
// ReSharper disable once CppUnusedIncludeDirective
#include <compare>
#include <cstddef>
#include <string>
 
#include "porytiles/utilities/panic/panic.hpp"
 
namespace porytiles {
 
class ColorIndex {
  public:
    // NOLINTNEXTLINE(google-explicit-constructor)
    ColorIndex(std::size_t index) : index_{index} {}
 
    auto operator<=>(const ColorIndex &) const = default;
 
    // NOLINTNEXTLINE
    operator const std::size_t &() const &
    {
        return index_;
    }
 
    // NOLINTNEXTLINE
    operator std::size_t &&() &&
    {
        return std::move(index_);
    }
 
    [[nodiscard]] const std::size_t &value() const &
    {
        return index_;
    }
 
    [[nodiscard]] std::size_t &&value() &&
    {
        return std::move(index_);
    }
 
    [[nodiscard]] std::size_t index() const
    {
        return index_;
    }
 
  private:
    std::size_t index_{};
};
 
} // namespace porytiles