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c06b20431e
now that C++20 generates operator== for us, these is no need to handcraft it manually. also, in C++17, the standard library offers default implementation of operator== for `std::variant<>`, so no need to implement it by ourselves. Signed-off-by: Kefu Chai <kefu.chai@scylladb.com> Closes #13625
35 lines
670 B
C++
35 lines
670 B
C++
/*
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* Copyright (C) 2021-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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#pragma once
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#include <variant>
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#include "db_clock.hh"
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#include "utils/UUID.hh"
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namespace cdc {
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struct generation_id_v1 {
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db_clock::time_point ts;
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bool operator==(const generation_id_v1&) const = default;
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};
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struct generation_id_v2 {
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db_clock::time_point ts;
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utils::UUID id;
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bool operator==(const generation_id_v2&) const = default;
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};
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using generation_id = std::variant<generation_id_v1, generation_id_v2>;
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std::ostream& operator<<(std::ostream&, const generation_id&);
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db_clock::time_point get_ts(const generation_id&);
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} // namespace cdc
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