• begin() : stopwatch::StopWatch
• exit() : stopwatch::OffState , stopwatch::OnState
• lap() : stopwatch::StopWatch
• laps() : stopwatch::StopWatch
• OffState() : stopwatch::OffState
• OnState() : stopwatch::OnState
• reset() : stopwatch::StopWatch
• show_time() : stopwatch::UserInterface
• stop() : stopwatch::StopWatch
• stopwatch() : stopwatch::OffState
• StopWatch() : stopwatch::StopWatch
• update() : stopwatch::UserInterface
• UserInterface() : stopwatch::UserInterface
• value() : stopwatch::StopWatch