persister.hpp

#pragma once
 
#include <optional>
#include <vector>
 
#include <tl/expected.hpp>
 
#include "raft/errors.hpp"
 
namespace raft
{
    struct Persister
    {
        virtual ~Persister() = default;
 
        virtual tl::expected<void, Error> saveState(std::vector<std::byte> state) noexcept = 0;
 
        virtual tl::expected<std::vector<std::byte>, Error> loadState() noexcept = 0;
    };
}  // namespace raft