span></span> <a href="../../IR/Fieldname/index.html#type-t">IR.Fieldname.t</a></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-make_base"><a href="#val-make_base" class="anchor"></a><code><span><span class="keyword">val</span> make_base : <span><span class="optlabel">?typ</span>:<a href="../../IR/Typ/index.html#type-t">IR.Typ.t</a> <span class="arrow">&#45;&gt;</span></span> <span>string <span class="arrow">&#45;&gt;</span></span> <a href="../../Absint/AccessPath/ind