format.h

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// SPDX-FileCopyrightText: Copyright (c) 2026 Cisco Systems
// SPDX-License-Identifier: BSD-2-Clause
 
#pragma once
 
#include <chrono>
#include <string>
#include <string_view>
#include <utility>
 
#ifdef QUICR_HAS_STD_FORMAT
#include <format>
namespace std_or_fmt = std;
#else
#include <fmt/chrono.h>
namespace std_or_fmt = fmt;
#endif
 
namespace quicr {
 
    template<typename... Args>
    std::string format(std_or_fmt::format_string<Args...> msg, Args&&... args)
    {
        return std_or_fmt::format(msg, std::forward<Args>(args)...);
    }
 
    template<typename... Args>
    std::string vformat(std::string_view msg, Args&&... args)
    {
        const std_or_fmt::string_view format{ msg.data(), msg.size() };
        return std_or_fmt::vformat(format, std_or_fmt::make_format_args(args...));
    }
 
}