t;</span></span>
  <span><span><a href="../Term/index.html#type-term">Term.term</a> <a href="../Term/VarMap/index.html#type-t">Term.VarMap.t</a></span> <span class="xref-unresolved">Base</span>.option</span></span></code></div><div class="spec-doc"><p><code>matches ~boundvars ~pattern t</code> returns a map from variables in <code>pattern</code> to subterms of <code>t</code> if the term <code>t</code> matches the <code>pattern</code>. During the matching process the variables in <code>boundvars</code> canno