<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">\begin{sequencediagram}
  \newthread{t}{:Thread}
  \newinst[1]{i}{:Instance}

  \begin{messcall}{t}{function()}{i}
  \end{messcall}
\end{sequencediagram}</pre></body></html>