l-load_graph"><a href="#val-load_graph" class="anchor"></a><code><span><span class="keyword">val</span> load_graph : <span>string <span class="arrow">&#45;&gt;</span></span> <span class="type-var">'a</span> * <span class="type-var">'b</span></span></code></div><div class="spec-doc"><p>load the graph object from a file with given name</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-collect_rvs"><a href="#val-collect_rvs" class="anchor"></a><code><span><span class="keyword">val<