olka.t</span> <a href="index.html#module-A">A</a>.t</span> <span>&#45;&gt;</span> Apron.Environment.t <span>&#45;&gt;</span> <span><span>Polka.strict Polka.t</span> <a href="index.html#module-A">A</a>.t</span></code></dt><dt class="spec value" id="val-forward_eval"><a href="#val-forward_eval" class="anchor"></a><code><span class="keyword">val</span> forward_eval : <span><span>Polka.strict Polka.t</span> <a href="index.html#module-A">A</a>.t</span> <span>&#45;&gt;</span> <a href="../../../Libabsolute/Csp/ind