diff options
| author |  Abseil Team <absl-team@google.com> | 2021-10-08 15:00:10 -0700 |
|---|---|---|
| committer |  dinord <dino.radakovich@gmail.com> | 2021-10-11 11:51:37 -0400 |
| commit | 084aa074c6e3994471fcdb8f542d3a24916792de (patch) | |
| tree | c49b974a4c1265dd33384310ecd61c1a61856586 /absl/time/internal/cctz/src/time_zone_if.h | |
| parent | 4a995b1eaa4a602f0d3a9ff8eac89d4649cd2fe8 (diff) | |
Export of internal Abseil changes
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42dc250867db8816381a38596e00a3b27b7dbc37 by Gennadiy Rozental <rogeeff@google.com>:
Import of CCTZ from GitHub.
PiperOrigin-RevId: 401863616
GitOrigin-RevId: 42dc250867db8816381a38596e00a3b27b7dbc37
Change-Id: Ia1f100293e0c0845de76d986a170b5ca8d15f1a3
Diffstat (limited to 'absl/time/internal/cctz/src/time_zone_if.h')
| -rw-r--r-- | absl/time/internal/cctz/src/time_zone_if.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/absl/time/internal/cctz/src/time_zone_if.h b/absl/time/internal/cctz/src/time_zone_if.h index 32c0891c..7d3e42d3 100644 --- a/absl/time/internal/cctz/src/time_zone_if.h +++ b/absl/time/internal/cctz/src/time_zone_if.h @@ -56,7 +56,8 @@ class TimeZoneIf { // Convert between time_point<seconds> and a count of seconds since the // Unix epoch. We assume that the std::chrono::system_clock and the -// Unix clock are second aligned, but not that they share an epoch. +// Unix clock are second aligned, and that the results are representable. +// (That is, that they share an epoch, which is required since C++20.) inline std::int_fast64_t ToUnixSeconds(const time_point<seconds>& tp) { return (tp - std::chrono::time_point_cast<seconds>( std::chrono::system_clock::from_time_t(0))) |