Use Expression.IsTrue(..) for <%if ...%>

elements/Conditionals.cs

@@ -33,9 +33,7 @@ namespace ln.templates.elements
 
         public override void Generate(TextWriter writer, Template.Context context)
         {
-            object v = Expression.Evaluate(context.ExpressionContext);
-
-            if (IsTrue(v))
+            if (Expression.IsTrue(context.ExpressionContext))
             {
                 GenerateChildren(writer, context);
             }