ng.html#t:String" title="Data.String">String</a> -&gt; <a href="../base-4.11.1.0/Data-Int.html#t:Int" title="Data.Int">Int</a> <a href="src/Expr.html#hashString" class="link">Source</a> <a href="#v:hashString" class="selflink">#</a></p><div class="doc"><p>hashString calcuates a hash of a string.</p></div></div><div class="top"><p class="src"><a id="v:evalConst" class="def">evalConst</a> :: <a href="Expr.html#t:Expr" title="Expr">Expr</a> a -&gt; <a href="../base-4.11.1.0/Data-Maybe.html#t:Maybe" title="Data