artifact_key.hpp

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#pragma once
 
#include <compare>
#include <functional>
#include <string>
 
namespace porytiles2 {
 
class ArtifactKey {
  public:
    explicit ArtifactKey(std::string key) : key_{std::move(key)} {}
 
    [[nodiscard]] const std::string &key() const
    {
        return key_;
    }
 
    [[nodiscard]] bool operator==(const ArtifactKey &other) const = default;
 
    [[nodiscard]] auto operator<=>(const ArtifactKey &other) const = default;
 
  private:
    std::string key_;
};
 
} // namespace porytiles2
 
// Hash specialization for std::unordered_map support
template <>
struct std::hash<porytiles2::ArtifactKey> {
    std::size_t operator()(const porytiles2::ArtifactKey &key) const noexcept
    {
        return std::hash<std::string>{}(key.key());
    }
};