31fd2822f5
Added aliases for std::chrono typedefs (eg. 'Seconds' for std::chrono::seconds). These aliases are used together with templated helper functions to replace time_t with std::chrono::seconds for most cases, in particular for 'modified' and 'expires' values in Response.
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
#ifndef MBGL_UTIL_CHRONO
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#define MBGL_UTIL_CHRONO
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#include <chrono>
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namespace mbgl {
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using Clock = std::chrono::steady_clock;
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using SystemClock = std::chrono::system_clock;
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using Seconds = std::chrono::seconds;
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using Milliseconds = std::chrono::milliseconds;
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using TimePoint = Clock::time_point;
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using Duration = Clock::duration;
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using SystemTimePoint = SystemClock::time_point;
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using SystemDuration = SystemClock::duration;
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template <class _Clock, class _Duration>
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_Duration toDuration(std::chrono::time_point<_Clock, _Duration> time_point) {
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return time_point.time_since_epoch();
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}
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template <class _Duration>
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Seconds asSeconds(_Duration duration) {
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return std::chrono::duration_cast<Seconds>(duration);
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}
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template <class _Clock, class _Duration>
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Seconds toSeconds(std::chrono::time_point<_Clock, _Duration> time_point) {
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return asSeconds(toDuration<_Clock, _Duration>(time_point));
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}
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template <class _Duration>
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Milliseconds asMilliseconds(_Duration duration) {
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return std::chrono::duration_cast<Milliseconds>(duration);
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}
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template <class _Clock, class _Duration>
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Milliseconds toMilliseconds(std::chrono::time_point<_Clock, _Duration> time_point) {
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return asMilliseconds(toDuration<_Clock, _Duration>(time_point));
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}
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}
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#endif
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