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cuberite-2a/src/Stopwatch.h

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// Stopwatch.h
// Implements the cStopwatch class that measures and logs time between its creation and destruction
#pragma once
class cStopwatch
{
public:
cStopwatch(const AString & a_Name):
m_Name(a_Name),
m_StartTime(std::chrono::high_resolution_clock::now())
{
}
~cStopwatch()
{
auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now() - m_StartTime).count();
LOG("Stopwatch: %s took %.03f sec", m_Name, static_cast<double>(duration) / 1000);
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}
protected:
AString m_Name;
std::chrono::high_resolution_clock::time_point m_StartTime;
};