>val</span> invert : <span>[&lt; `equal_to <span>| `greater_than</span> <span>| `less_than</span> ]</span> <span>&#45;&gt;</span> <span>[&gt; `equal_to <span>| `greater_than</span> <span>| `less_than</span> ]</span></code></dt><dt class="spec value" id="val-int_to_ordering"><a href="#val-int_to_ordering" class="anchor"></a><code><span class="keyword">val</span> int_to_ordering : int <span>&#45;&gt;</span> <span>[&gt; `equal_to <span>| `greater_than</span> <span>| `less_than</span> ]</span></code></dt><dt cl