src/utils/fmt_utils.h

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// to you under the Apache License, Version 2.0 (the
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// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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#pragma once

#include <fmt/ostream.h>

#define USER_DEFINED_STRUCTURE_FORMATTER(type)                                                     \
    template <>                                                                                    \
    struct fmt::formatter<type> : ostream_formatter                                                \
    {                                                                                              \
    }

#define USER_DEFINED_ENUM_FORMATTER(type)                                                          \
    inline auto format_as(type e)->int { return e; }