pan></span> <span>&#45;&gt;</span> <span>?&#8288;msg:string</span> <span>&#45;&gt;</span> string <span>&#45;&gt;</span> <span>(<span><span>(string, int * <span>string option</span>)</span> Stdlib.result</span> <span>&#45;&gt;</span> unit)</span> <span>&#45;&gt;</span> unit</code></dt></dl></div></body></html>