lass="selflink">#</a></p><div class="doc"><p>trimString tries to reduce an expression to a single constant expression,
 if it does not contain a variable.</p></div></div><div class="top"><p class="src"><a id="v:trimDouble" class="def">trimDouble</a> :: <a href="Expr.html#t:Expr" title="Expr">Expr</a> <a href="../base-4.11.1.0/Prelude.html#t:Double" title="Prelude">Double</a> -&gt; <a href="Expr.html#t:Expr" title="Expr">Expr</a> <a href="../base-4.11.1.0/Prelude.html#t:Double" title="Prelude">Double</a> <a 