438 lines
11 KiB
C++
438 lines
11 KiB
C++
//# This file is a part of toml++ and is subject to the the terms of the MIT license.
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//# Copyright (c) 2019-2020 Mark Gillard <mark.gillard@outlook.com.au>
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//# See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text.
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// SPDX-License-Identifier: MIT
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#pragma once
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#include "toml_common.h"
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TOML_PUSH_WARNINGS
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TOML_DISABLE_PADDING_WARNINGS
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namespace toml
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{
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/// \brief A local date.
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struct TOML_TRIVIAL_ABI date
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{
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/// \brief The year component.
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uint16_t year;
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/// \brief The month component, from 1 - 12.
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uint8_t month;
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/// \brief The day component, from 1 - 31.
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uint8_t day;
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/// \brief Equality operator.
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[[nodiscard]]
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friend constexpr bool operator == (date lhs, date rhs) noexcept
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{
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return lhs.year == rhs.year
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&& lhs.month == rhs.month
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&& lhs.day == rhs.day;
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}
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/// \brief Inequality operator.
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[[nodiscard]]
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friend constexpr bool operator != (date lhs, date rhs) noexcept
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{
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return lhs.year != rhs.year
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|| lhs.month != rhs.month
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|| lhs.day != rhs.day;
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}
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private:
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[[nodiscard]] TOML_ALWAYS_INLINE
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static constexpr uint32_t pack(date d) noexcept
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{
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return static_cast<uint32_t>(d.year) << 16
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| static_cast<uint32_t>(d.month) << 8
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| static_cast<uint32_t>(d.day);
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}
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public:
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/// \brief Less-than operator.
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[[nodiscard]]
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friend constexpr bool operator < (date lhs, date rhs) noexcept
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{
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return pack(lhs) < pack(rhs);
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}
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/// \brief Less-than-or-equal-to operator.
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[[nodiscard]]
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friend constexpr bool operator <= (date lhs, date rhs) noexcept
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{
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return pack(lhs) <= pack(rhs);
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}
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/// \brief Greater-than operator.
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[[nodiscard]]
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friend constexpr bool operator > (date lhs, date rhs) noexcept
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{
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return pack(lhs) > pack(rhs);
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}
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/// \brief Greater-than-or-equal-to operator.
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[[nodiscard]]
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friend constexpr bool operator >= (date lhs, date rhs) noexcept
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{
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return pack(lhs) >= pack(rhs);
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}
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};
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/// \brief Prints a date out to a stream as `YYYY-MM-DD` (per RFC 3339).
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/// \detail \cpp
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/// std::cout << toml::date{ 1987, 3, 16 } << std::endl;
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/// \ecpp
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///
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/// \out
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/// 1987-03-16
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/// \eout
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template <typename Char>
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TOML_EXTERNAL_LINKAGE
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std::basic_ostream<Char>& operator << (std::basic_ostream<Char>& lhs, const date& rhs)
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{
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impl::print_to_stream(rhs, lhs);
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return lhs;
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}
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#if !TOML_ALL_INLINE
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extern template TOML_API std::ostream& operator << (std::ostream&, const date&);
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#endif
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/// \brief A local time-of-day.
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struct TOML_TRIVIAL_ABI time
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{
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/// \brief The hour component, from 0 - 23.
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uint8_t hour;
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/// \brief The minute component, from 0 - 59.
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uint8_t minute;
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/// \brief The second component, from 0 - 59.
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uint8_t second;
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/// \brief The fractional nanoseconds component, from 0 - 999999999.
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uint32_t nanosecond;
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/// \brief Equality operator.
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[[nodiscard]]
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friend constexpr bool operator == (const time& lhs, const time& rhs) noexcept
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{
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return lhs.hour == rhs.hour
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&& lhs.minute == rhs.minute
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&& lhs.second == rhs.second
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&& lhs.nanosecond == rhs.nanosecond;
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}
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/// \brief Inequality operator.
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[[nodiscard]]
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friend constexpr bool operator != (const time& lhs, const time& rhs) noexcept
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{
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return !(lhs == rhs);
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}
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private:
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[[nodiscard]] TOML_ALWAYS_INLINE
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static constexpr uint64_t pack(time t) noexcept
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{
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return static_cast<uint64_t>(t.hour) << 48
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| static_cast<uint64_t>(t.minute) << 40
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| static_cast<uint64_t>(t.second) << 32
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| static_cast<uint64_t>(t.nanosecond);
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}
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public:
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/// \brief Less-than operator.
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[[nodiscard]]
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friend constexpr bool operator < (time lhs, time rhs) noexcept
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{
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return pack(lhs) < pack(rhs);
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}
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/// \brief Less-than-or-equal-to operator.
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[[nodiscard]]
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friend constexpr bool operator <= (time lhs, time rhs) noexcept
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{
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return pack(lhs) <= pack(rhs);
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}
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/// \brief Greater-than operator.
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[[nodiscard]]
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friend constexpr bool operator > (time lhs, time rhs) noexcept
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{
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return pack(lhs) > pack(rhs);
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}
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/// \brief Greater-than-or-equal-to operator.
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[[nodiscard]]
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friend constexpr bool operator >= (time lhs, time rhs) noexcept
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{
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return pack(lhs) >= pack(rhs);
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}
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};
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/// \brief Prints a time out to a stream as `HH:MM:SS.FFFFFF` (per RFC 3339).
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/// \detail \cpp
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/// std::cout << toml::time{ 10, 20, 34 } << std::endl;
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/// std::cout << toml::time{ 10, 20, 34, 500000000 } << std::endl;
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/// \ecpp
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///
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/// \out
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/// 10:20:34
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/// 10:20:34.5
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/// \eout
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template <typename Char>
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TOML_EXTERNAL_LINKAGE
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std::basic_ostream<Char>& operator << (std::basic_ostream<Char>& lhs, const time& rhs)
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{
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impl::print_to_stream(rhs, lhs);
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return lhs;
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}
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#if !TOML_ALL_INLINE
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extern template TOML_API std::ostream& operator << (std::ostream&, const time&);
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#endif
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/// \brief A timezone offset.
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struct TOML_TRIVIAL_ABI time_offset
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{
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/// \brief Offset from UTC+0, in minutes.
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int16_t minutes;
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/// \brief Default-constructs a zero time-offset.
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TOML_NODISCARD_CTOR
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constexpr time_offset() noexcept
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: minutes{}
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{}
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/// \brief Constructs a timezone offset from separate hour and minute totals.
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///
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/// \detail \cpp
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/// std::cout << toml::time_offset{ 2, 30 } << std::endl;
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/// std::cout << toml::time_offset{ -2, 30 } << std::endl;
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/// std::cout << toml::time_offset{ -2, -30 } << std::endl;
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/// std::cout << toml::time_offset{ 0, 0 } << std::endl;
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///
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/// \ecpp
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///
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/// \out
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/// +02:30
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/// -01:30
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/// -02:30
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/// Z
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/// \eout
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///
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/// \param h The total hours.
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/// \param m The total minutes.
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TOML_NODISCARD_CTOR
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constexpr time_offset(int8_t h, int8_t m) noexcept
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: minutes{ static_cast<int16_t>(h * 60 + m) }
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{}
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/// \brief Equality operator.
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[[nodiscard]]
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friend constexpr bool operator == (time_offset lhs, time_offset rhs) noexcept
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{
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return lhs.minutes == rhs.minutes;
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}
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/// \brief Inequality operator.
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[[nodiscard]]
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friend constexpr bool operator != (time_offset lhs, time_offset rhs) noexcept
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{
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return lhs.minutes != rhs.minutes;
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}
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/// \brief Less-than operator.
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[[nodiscard]]
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friend constexpr bool operator < (time_offset lhs, time_offset rhs) noexcept
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{
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return lhs.minutes < rhs.minutes;
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}
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/// \brief Less-than-or-equal-to operator.
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[[nodiscard]]
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friend constexpr bool operator <= (time_offset lhs, time_offset rhs) noexcept
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{
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return lhs.minutes <= rhs.minutes;
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}
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/// \brief Greater-than operator.
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[[nodiscard]]
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friend constexpr bool operator > (time_offset lhs, time_offset rhs) noexcept
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{
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return lhs.minutes > rhs.minutes;
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}
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/// \brief Greater-than-or-equal-to operator.
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[[nodiscard]]
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friend constexpr bool operator >= (time_offset lhs, time_offset rhs) noexcept
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{
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return lhs.minutes >= rhs.minutes;
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}
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};
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/// \brief Prints a time_offset out to a stream as `+-HH:MM or Z` (per RFC 3339).
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/// \detail \cpp
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/// std::cout << toml::time_offset{ 2, 30 } << std::endl;
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/// std::cout << toml::time_offset{ 2, -30 } << std::endl;
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/// std::cout << toml::time_offset{} << std::endl;
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/// std::cout << toml::time_offset{ -2, 30 } << std::endl;
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/// std::cout << toml::time_offset{ -2, -30 } << std::endl;
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/// \ecpp
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///
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/// \out
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/// +02:30
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/// +01:30
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/// Z
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/// -01:30
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/// -02:30
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/// \eout
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template <typename Char>
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TOML_EXTERNAL_LINKAGE
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std::basic_ostream<Char>& operator << (std::basic_ostream<Char>& lhs, const time_offset& rhs)
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{
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impl::print_to_stream(rhs, lhs);
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return lhs;
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}
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#if !TOML_ALL_INLINE
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extern template TOML_API std::ostream& operator << (std::ostream&, const time_offset&);
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#endif
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#ifdef TOML_OPTIONAL_TYPE
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TOML_ABI_NAMESPACE_START(custopt)
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#else
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TOML_ABI_NAMESPACE_START(stdopt)
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#endif
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/// \brief A date-time.
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struct date_time
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{
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/// \brief The date component.
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toml::date date;
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/// \brief The time component.
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toml::time time;
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/// \brief The timezone offset component.
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///
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/// \remarks The date_time is said to be 'local' if the time_offset is empty.
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optional<toml::time_offset> time_offset;
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/// \brief Default-constructs a zero date-time.
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TOML_NODISCARD_CTOR
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constexpr date_time() noexcept
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: date{},
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time{}
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{}
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/// \brief Constructs a local date-time.
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///
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/// \param d The date component.
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/// \param t The time component.
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TOML_NODISCARD_CTOR
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constexpr date_time(toml::date d, toml::time t) noexcept
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: date{ d },
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time{ t }
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{}
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/// \brief Constructs an offset date-time.
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///
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/// \param d The date component.
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/// \param t The time component.
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/// \param offset The timezone offset.
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TOML_NODISCARD_CTOR
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constexpr date_time(toml::date d, toml::time t, toml::time_offset offset) noexcept
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: date{ d },
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time{ t },
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time_offset{ offset }
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{}
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/// \brief Returns true if this date_time does not contain timezone offset information.
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[[nodiscard]]
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constexpr bool is_local() const noexcept
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{
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return !time_offset.has_value();
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}
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/// \brief Equality operator.
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[[nodiscard]]
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friend constexpr bool operator == (const date_time& lhs, const date_time& rhs) noexcept
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{
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return lhs.date == rhs.date
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&& lhs.time == rhs.time
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&& lhs.time_offset == rhs.time_offset;
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}
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/// \brief Inequality operator.
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[[nodiscard]]
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friend constexpr bool operator != (const date_time& lhs, const date_time& rhs) noexcept
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{
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return !(lhs == rhs);
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}
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/// \brief Less-than operator.
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[[nodiscard]]
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friend constexpr bool operator < (const date_time& lhs, const date_time& rhs) noexcept
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{
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if (lhs.date != rhs.date)
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return lhs.date < rhs.date;
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if (lhs.time != rhs.time)
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return lhs.time < rhs.time;
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return lhs.time_offset < rhs.time_offset;
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}
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/// \brief Less-than-or-equal-to operator.
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[[nodiscard]]
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friend constexpr bool operator <= (const date_time& lhs, const date_time& rhs) noexcept
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{
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if (lhs.date != rhs.date)
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return lhs.date < rhs.date;
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if (lhs.time != rhs.time)
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return lhs.time < rhs.time;
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return lhs.time_offset <= rhs.time_offset;
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}
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/// \brief Greater-than operator.
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[[nodiscard]]
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friend constexpr bool operator > (const date_time& lhs, const date_time& rhs) noexcept
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{
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return !(lhs <= rhs);
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}
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/// \brief Greater-than-or-equal-to operator.
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[[nodiscard]]
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friend constexpr bool operator >= (const date_time& lhs, const date_time& rhs) noexcept
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{
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return !(lhs < rhs);
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}
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};
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TOML_ABI_NAMESPACE_END // TOML_OPTIONAL_TYPE
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/// \brief Prints a date_time out to a stream in RFC 3339 format.
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/// \detail \cpp
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/// std::cout << toml::date_time{ { 1987, 3, 16 }, { 10, 20, 34 } } << std::endl;
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/// std::cout << toml::date_time{ { 1987, 3, 16 }, { 10, 20, 34 }, { -2, -30 } } << std::endl;
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/// std::cout << toml::date_time{ { 1987, 3, 16 }, { 10, 20, 34 }, {} } << std::endl;
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/// \ecpp
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///
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/// \out
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/// 1987-03-16T10:20:34
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/// 1987-03-16T10:20:34-02:30
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/// 1987-03-16T10:20:34Z
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/// \eout
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template <typename Char>
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TOML_EXTERNAL_LINKAGE
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std::basic_ostream<Char>& operator << (std::basic_ostream<Char>& lhs, const date_time& rhs)
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{
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impl::print_to_stream(rhs, lhs);
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return lhs;
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}
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#if !TOML_ALL_INLINE
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extern template TOML_API std::ostream& operator << (std::ostream&, const date_time&);
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#endif
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}
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TOML_POP_WARNINGS // TOML_DISABLE_PADDING_WARNINGS
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