index.html#type-cmpop">Libabsolute.Constraint.cmpop</a> * <a href="../../Libabsolute/Expr/index.html#type-t">Libabsolute.Expr.t</a></code></dt><dt class="spec value" id="val-vars"><a href="#val-vars" class="anchor"></a><code><span class="keyword">val</span> vars : <span><span class="type-var">'a</span> <a href="index.html#module-A">A</a>.t</span> <span>&#45;&gt;</span> <span><span>(<a href="../../Libabsolute/Csp/index.html#type-typ">Libabsolute.Csp.typ</a> * string)</span> list</span></code></dt><dt class="