/span> forward_eval : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="../../../Csp/index.html#type-expr">Csp.expr</a> <span>&#45;&gt;</span> <a href="../../../Itv/ItvQ/index.html#type-t">Itv.ItvQ.t</a></code></dt><dd><p>computes the range of value of a given expression within an abstract element</p></dd></dl><dl><dt class="spec value" id="val-to_bexpr"><a href="#val-to_bexpr" class="anchor"></a><code><span class="keyword">val</span> to_bexpr : <a href="index.html#type-t">t</a> <span>&#45;&