chor"></a><code><span><span class="keyword">val</span> get_exn : <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span> <span><span class="xref-unresolved">Base</span>.int <span class="arrow">&#45;&gt;</span></span> <span class="xref-unresolved">Base</span>.string</span></code></div><div class="spec-doc"><p>Get the name that corresponds to a given id.</p></div></div><div class="odoc-spec"><div class="spec value" id="val-check_source_variable_name" class="anchored"><a href="#val-check_sour