" class="link">Source</a> <a href="#v:isConst" class="selflink">#</a></p><div class="doc"><p>isConst returns whether the input description is one of the six possible constant values.</p></div></div><div class="top"><p class="src"><a id="v:assertArgs1" class="def">assertArgs1</a> :: <a href="../base-4.11.1.0/Data-String.html#t:String" title="Data.String">String</a> -&gt; [<a href="Expr.html#t:AnyExpr" title="Expr">AnyExpr</a>] -&gt; <a href="../base-4.11.1.0/Data-Either.html#t:Either" title="Data.Either">Eit