lass="type-var">'s</span> <span class="arrow">&#45;&gt;</span></span> <span>exn <span class="arrow">&#45;&gt;</span></span> <span><span class="xref-unresolved">Stdlib</span>.Printexc.raw_backtrace <span class="arrow">&#45;&gt;</span></span> unit)</span> <span class="arrow">&#45;&gt;</span></span>
  <span>string <span class="arrow">&#45;&gt;</span></span>
  <span><span class="type-var">'m</span> <span class="arrow">&#45;&gt;</span></span>
  <span class="type-var">'n</span></span></code></div><div class="spec