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Contents
/**
* @file
* Declares a simple timer class.
*/
#pragma once
#include <chrono>
namespace leatherman { namespace util {
/**
* A simple stopwatch/timer we can use for user feedback. We use the
* std::chrono::steady_clock as we don't want to be affected if the system
* clock changed around us (think ntp skew/leapseconds).
*/
class Timer {
public:
Timer() {
reset();
}
/** @return Returns the time that has passed since last reset in seconds. */
double elapsed_seconds() {
auto now = std::chrono::steady_clock::now();
return std::chrono::duration<double>(now - start_).count();
}
/** @return Returns the time that has passed since last reset in milliseconds. */
int elapsed_milliseconds() {
auto now = std::chrono::steady_clock::now();
return std::chrono::duration_cast<std::chrono::milliseconds>(now - start_).count();
}
/** Resets the clock. */
void reset() {
start_ = std::chrono::steady_clock::now();
}
private:
std::chrono::time_point<std::chrono::steady_clock> start_;
};
}} // namespace leatherman::util
Version data entries
16 entries across 16 versions & 2 rubygems