f3bd22bff4
also: - added `date_time` converting constructors from `date` and `time` - added `is_key<>` and is_key_or_convertible<>` metafunctions - exposed `TOML_NAMESPACE_START` and `TOML_NAMESPACE_END` macros to help with ADL specialization scenarios - added encoder and decoder for `toml-test` (closes #125)
463 lines
12 KiB
C++
463 lines
12 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) 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 "forward_declarations.h"
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#include "print_to_stream.h"
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#include "header_start.h"
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TOML_NAMESPACE_START
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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 Default constructor. Does not initialize the members.
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TOML_NODISCARD_CTOR
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date() noexcept = default;
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/// \brief Constructs a date from individual date component values.
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TOML_CONSTRAINED_TEMPLATE((impl::all_integral<Y, M, D>), typename Y, typename M, typename D)
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TOML_NODISCARD_CTOR
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constexpr date(Y y, M m, D d) noexcept //
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: year{ static_cast<uint16_t>(y) },
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month{ static_cast<uint8_t>(m) },
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day{ static_cast<uint8_t>(d) }
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{}
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/// \brief Equality operator.
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TOML_PURE_GETTER
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friend constexpr bool operator==(const date& lhs, const date& rhs) noexcept
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{
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return lhs.year == rhs.year && lhs.month == rhs.month && lhs.day == rhs.day;
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}
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/// \brief Inequality operator.
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TOML_PURE_GETTER
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friend constexpr bool operator!=(const date& lhs, const date& rhs) noexcept
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{
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return lhs.year != rhs.year || lhs.month != rhs.month || lhs.day != rhs.day;
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}
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private:
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/// \cond
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TOML_PURE_GETTER
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static constexpr uint32_t pack(const date& d) noexcept
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{
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return (static_cast<uint32_t>(d.year) << 16) | (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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/// \endcond
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public:
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/// \brief Less-than operator.
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TOML_PURE_GETTER
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friend constexpr bool operator<(const date& lhs, const 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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TOML_PURE_GETTER
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friend constexpr bool operator<=(const date& lhs, const 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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TOML_PURE_GETTER
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friend constexpr bool operator>(const date& lhs, const 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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TOML_PURE_GETTER
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friend constexpr bool operator>=(const date& lhs, const 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 Prints a date out to a stream as `YYYY-MM-DD` (per RFC 3339).
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///
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/// \detail \cpp
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/// std::cout << toml::date{ 1987, 3, 16 } << "\n";
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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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friend std::ostream& operator<<(std::ostream& lhs, const date& rhs)
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{
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impl::print_to_stream(lhs, rhs);
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return lhs;
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}
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};
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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 Default constructor. Does not initialize the members.
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TOML_NODISCARD_CTOR
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time() noexcept = default;
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/// \brief Constructs a time from individual time component values.
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TOML_CONSTRAINED_TEMPLATE((impl::all_integral<H, M, S, NS>),
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typename H,
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typename M,
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typename S = uint8_t,
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typename NS = uint32_t)
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TOML_NODISCARD_CTOR
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constexpr time(H h, M m, S s = S{}, NS ns = NS{}) noexcept //
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: hour{ static_cast<uint8_t>(h) },
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minute{ static_cast<uint8_t>(m) },
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second{ static_cast<uint8_t>(s) },
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nanosecond{ static_cast<uint32_t>(ns) }
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{}
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/// \brief Equality operator.
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TOML_PURE_GETTER
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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 && lhs.minute == rhs.minute && 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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TOML_PURE_GETTER
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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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/// \cond
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TOML_PURE_GETTER
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static constexpr uint64_t pack(const time& t) noexcept
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{
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return static_cast<uint64_t>(t.hour) << 48 | static_cast<uint64_t>(t.minute) << 40
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| static_cast<uint64_t>(t.second) << 32 | static_cast<uint64_t>(t.nanosecond);
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}
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/// \endcond
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public:
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/// \brief Less-than operator.
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TOML_PURE_GETTER
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friend constexpr bool operator<(const time& lhs, const 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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TOML_PURE_GETTER
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friend constexpr bool operator<=(const time& lhs, const 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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TOML_PURE_GETTER
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friend constexpr bool operator>(const time& lhs, const 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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TOML_PURE_GETTER
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friend constexpr bool operator>=(const time& lhs, const 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 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 } << "\n";
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/// std::cout << toml::time{ 10, 20, 34, 500000000 } << "\n";
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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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friend std::ostream& operator<<(std::ostream& lhs, const time& rhs)
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{
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impl::print_to_stream(lhs, rhs);
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return lhs;
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}
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};
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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 constructor. Does not initialize the members.
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TOML_NODISCARD_CTOR
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time_offset() noexcept = default;
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/// \brief Constructs a timezone offset from individual 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 } << "\n";
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/// std::cout << toml::time_offset{ -2, 30 } << "\n";
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/// std::cout << toml::time_offset{ -2, -30 } << "\n";
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/// std::cout << toml::time_offset{ 0, 0 } << "\n";
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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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/// \tparam H An integral type.
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/// \tparam M An integral type.
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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_CONSTRAINED_TEMPLATE((impl::all_integral<H, M>), typename H, typename M)
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TOML_NODISCARD_CTOR
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constexpr time_offset(H h, M m) noexcept //
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: minutes{ static_cast<int16_t>(static_cast<impl::common_signed_type<H, M>>(h)
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* impl::common_signed_type<H, M>{ 60 }
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+ static_cast<impl::common_signed_type<H, M>>(m)) }
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{}
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/// \brief Equality operator.
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TOML_PURE_GETTER
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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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TOML_PURE_GETTER
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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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TOML_PURE_GETTER
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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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TOML_PURE_GETTER
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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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TOML_PURE_GETTER
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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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TOML_PURE_GETTER
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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 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 } << "\n";
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/// std::cout << toml::time_offset{ 2, -30 } << "\n";
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/// std::cout << toml::time_offset{} << "\n";
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/// std::cout << toml::time_offset{ -2, 30 } << "\n";
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/// std::cout << toml::time_offset{ -2, -30 } << "\n";
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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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friend std::ostream& operator<<(std::ostream& lhs, const time_offset& rhs)
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{
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impl::print_to_stream(lhs, rhs);
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return lhs;
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}
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};
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TOML_ABI_NAMESPACE_BOOL(TOML_HAS_CUSTOM_OPTIONAL_TYPE, custopt, stdopt);
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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 offset is empty.
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optional<toml::time_offset> offset;
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/// \brief Default constructor. Does not initialize the members.
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TOML_NODISCARD_CTOR
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date_time() noexcept = default;
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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(const toml::date& d, const toml::time& t) noexcept //
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: date{ d },
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time{ t },
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offset{} // TINAE - icc bugfix
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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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TOML_NODISCARD_CTOR
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explicit constexpr date_time(const toml::date& d) noexcept //
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: date{ d },
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time{},
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offset{} // TINAE - icc bugfix
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{}
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/// \brief Constructs a local date-time.
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///
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/// \param t The time component.
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TOML_NODISCARD_CTOR
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explicit constexpr date_time(const toml::time& t) noexcept //
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: date{},
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time{ t },
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offset{} // TINAE - icc bugfix
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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 off The timezone offset.
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TOML_NODISCARD_CTOR
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constexpr date_time(const toml::date& d, const toml::time& t, const toml::time_offset& off) noexcept
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: date{ d },
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time{ t },
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offset{ off }
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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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TOML_PURE_GETTER
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constexpr bool is_local() const noexcept
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{
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return !offset.has_value();
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}
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/// \brief Equality operator.
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TOML_PURE_GETTER
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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 && lhs.time == rhs.time && lhs.offset == rhs.offset;
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}
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/// \brief Inequality operator.
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TOML_PURE_GETTER
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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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TOML_PURE_GETTER
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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.offset < rhs.offset;
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}
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/// \brief Less-than-or-equal-to operator.
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TOML_PURE_GETTER
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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.offset <= rhs.offset;
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}
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/// \brief Greater-than operator.
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TOML_PURE_GETTER
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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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TOML_PURE_GETTER
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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 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 } } << "\n";
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/// std::cout << toml::date_time{ { 1987, 3, 16 }, { 10, 20, 34 }, { -2, -30 } } << "\n";
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/// std::cout << toml::date_time{ { 1987, 3, 16 }, { 10, 20, 34 }, {} } << "\n";
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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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friend std::ostream& operator<<(std::ostream& lhs, const date_time& rhs)
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{
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impl::print_to_stream(lhs, rhs);
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return lhs;
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}
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};
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TOML_ABI_NAMESPACE_END; // TOML_HAS_CUSTOM_OPTIONAL_TYPE
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}
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TOML_NAMESPACE_END;
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#include "header_end.h"
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