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| author | Marshall Clow <mclow.lists@gmail.com> | 2019-07-25 03:26:05 +0000 |
|---|---|---|
| committer | Marshall Clow <mclow.lists@gmail.com> | 2019-07-25 03:26:05 +0000 |
| commit | db99d3a2a238f532ee8369b5599ee134db753247 (patch) | |
| tree | 34c4534525d7c7e7f95514c7b731d96d0a0aa548 /libcxx/include | |
| parent | 272a9db115f85488a238cf2ff5a81a5bbc3d0598 (diff) | |
| download | bcm5719-llvm-db99d3a2a238f532ee8369b5599ee134db753247.tar.gz bcm5719-llvm-db99d3a2a238f532ee8369b5599ee134db753247.zip | |
Implement change #4 of P1466: Change weekday to accept both 0 and 7 as Sunday. Add accessors 'c_encoding' and 'iso_encoding' to provide different interpretations of the weekday. Remove 'operator unsigned'
llvm-svn: 366981
Diffstat (limited to 'libcxx/include')
| -rw-r--r-- | libcxx/include/chrono | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/libcxx/include/chrono b/libcxx/include/chrono index 1b907571aa1..06fa6581f38 100644 --- a/libcxx/include/chrono +++ b/libcxx/include/chrono @@ -1810,7 +1810,7 @@ private: unsigned char __wd; public: weekday() = default; - inline explicit constexpr weekday(unsigned __val) noexcept : __wd(static_cast<unsigned char>(__val)) {} + inline explicit constexpr weekday(unsigned __val) noexcept : __wd(static_cast<unsigned char>(__val == 7 ? 0 : __val)) {} inline constexpr weekday(const sys_days& __sysd) noexcept : __wd(__weekday_from_days(__sysd.time_since_epoch().count())) {} inline explicit constexpr weekday(const local_days& __locd) noexcept @@ -1822,7 +1822,8 @@ public: inline constexpr weekday operator--(int) noexcept { weekday __tmp = *this; --(*this); return __tmp; } constexpr weekday& operator+=(const days& __dd) noexcept; constexpr weekday& operator-=(const days& __dd) noexcept; - inline explicit constexpr operator unsigned() const noexcept { return __wd; } + inline constexpr unsigned c_encoding() const noexcept { return __wd; } + inline constexpr unsigned iso_encoding() const noexcept { return __wd == 0u ? 7 : __wd; } inline constexpr bool ok() const noexcept { return __wd <= 6; } constexpr weekday_indexed operator[](unsigned __index) const noexcept; constexpr weekday_last operator[](last_spec) const noexcept; @@ -1842,7 +1843,7 @@ unsigned char weekday::__weekday_from_days(int __days) noexcept inline constexpr bool operator==(const weekday& __lhs, const weekday& __rhs) noexcept -{ return static_cast<unsigned>(__lhs) == static_cast<unsigned>(__rhs); } +{ return __lhs.c_encoding() == __rhs.c_encoding(); } inline constexpr bool operator!=(const weekday& __lhs, const weekday& __rhs) noexcept @@ -1850,7 +1851,7 @@ bool operator!=(const weekday& __lhs, const weekday& __rhs) noexcept inline constexpr bool operator< (const weekday& __lhs, const weekday& __rhs) noexcept -{ return static_cast<unsigned>(__lhs) < static_cast<unsigned>(__rhs); } +{ return __lhs.c_encoding() < __rhs.c_encoding(); } inline constexpr bool operator> (const weekday& __lhs, const weekday& __rhs) noexcept @@ -1866,7 +1867,7 @@ bool operator>=(const weekday& __lhs, const weekday& __rhs) noexcept constexpr weekday operator+(const weekday& __lhs, const days& __rhs) noexcept { - auto const __mu = static_cast<long long>(static_cast<unsigned>(__lhs)) + __rhs.count(); + auto const __mu = static_cast<long long>(__lhs.c_encoding()) + __rhs.count(); auto const __yr = (__mu >= 0 ? __mu : __mu - 6) / 7; return weekday{static_cast<unsigned>(__mu - __yr * 7)}; } @@ -1879,7 +1880,7 @@ constexpr weekday operator-(const weekday& __lhs, const days& __rhs) noexcept constexpr days operator-(const weekday& __lhs, const weekday& __rhs) noexcept { - const int __wdu = static_cast<unsigned>(__lhs) - static_cast<unsigned>(__rhs); + const int __wdu = __lhs.c_encoding() - __rhs.c_encoding(); const int __wk = (__wdu >= 0 ? __wdu : __wdu-6) / 7; return days{__wdu - __wk * 7}; } |
