is_serializer.hpp

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#ifndef ECSTASY_SERIALIZATION_CONCEPTS_ISSERIALIZER_HPP_
#define ECSTASY_SERIALIZATION_CONCEPTS_ISSERIALIZER_HPP_
 
#include <concepts>
#include <string>
#include <type_traits>
 
#include "ecstasy/serialization/ISerializer.hpp"
 
namespace ecstasy::serialization::concepts
{
    template <typename S>
    concept is_serializer = requires(S &serializer) {
        requires std::derived_from<S, ISerializer>;
 
        // clang-format off
 
        // int
        { serializer.save(std::declval<int>())} -> std::same_as<S &>;
        { serializer.update(std::declval<int &>())} -> std::same_as<S &>;
        // double
        { serializer.save(std::declval<double>())} -> std::same_as<S &>;
        { serializer.update(std::declval<double &>())} -> std::same_as<S &>;
        // std::string
        { serializer.save(std::declval<std::string>())} -> std::same_as<S &>;
        { serializer.update(std::declval<std::string &>())} -> std::same_as<S &>;
 
        // clang-format on
    };
 
    template <typename S>
    bool constexpr is_serializer_v = is_serializer<S>;
 
} // namespace ecstasy::serialization::concepts
 
#endif /* !ECSTASY_SERIALIZATION_CONCEPTS_ISSERIALIZER_HPP_ */