std::function decorate()

in fbpcf/perf/PerfUtil.h [34:48]

• 13 lines of code
• 1 McCabe index (conditional complexity)

std::function<R(Args...)> decorate(
    const std::string& fName,
    const std::function<R(Args...)>& f) {
  return [fName, f](Args... args) {
    auto start = std::chrono::high_resolution_clock::now();

    auto res = f(std::forward<Args>(args)...);

    auto stop = std::chrono::high_resolution_clock::now();
    auto duration =
        std::chrono::duration_cast<std::chrono::milliseconds>(stop - start);
    XLOGF(INFO, "{} execution time (ms): {}", fName, duration.count());
    return res;
  };
}