How to get time since epoch in milliseconds in C++

Use this snippet using chrono:

example.cpp

#include <chrono>

uint64_t timeSinceEpochMilliseconds = std::chrono::duration_cast<std::chrono::milliseconds>(
    std::chrono::system_clock::now().time_since_epoch()
).count();

#include <chrono>

uint64_t timeSinceEpochMilliseconds = std::chrono::duration_cast<std::chrono::milliseconds>(
    std::chrono::system_clock::now().time_since_epoch()
).count();

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