46 lines
808 B
C++
46 lines
808 B
C++
export module time;
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import preliminary;
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export namespace lt::time {
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/** Simple timer class to keep track of the elapsed time. */
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class Timer
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{
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public:
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using Clock = std::chrono::steady_clock;
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using Duration = std::chrono::duration<f64>;
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using Timepoint = std::chrono::time_point<std::chrono::steady_clock>;
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Timer(Timepoint start = Clock::now());
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void reset(Timepoint start = Clock::now());
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[[nodiscard]] auto elapsed_time() const -> Duration;
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private:
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Timepoint m_start;
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};
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} // namespace lt::time
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module :private;
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namespace lt::time {
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Timer::Timer(Timepoint start): m_start(start)
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{
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}
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void Timer::reset(Timepoint start)
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{
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m_start = start;
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}
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[[nodiscard]] auto Timer::elapsed_time() const -> Duration
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{
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return { std::chrono::steady_clock::now() - m_start };
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}
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} // namespace lt::time
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