newline_sep" class="anchor"></a><code><span class="keyword">val</span> newline_sep : Stdlib.Format.formatter <span>&#45;&gt;</span> unit <span>&#45;&gt;</span> unit</code></dt><dd><p>newline separator</p></dd></dl><dl><dt class="spec value" id="val-swap_pair"><a href="#val-swap_pair" class="anchor"></a><code><span class="keyword">val</span> swap_pair : <span>(<span class="type-var">'a</span> * <span class="type-var">'b</span>)</span> <span>&#45;&gt;</span> <span class="type-var">'b</span> * <span class="typ