public static void ExpressionVisitor_NoCloning()
        {
            var v = new NoOpVisitor();

            foreach (var e in ExpressionCatalog.Expressions.Where(e => e.NodeType != ExpressionType.Extension))
            {
                Assert.Same(e, v.Visit(e));
            }
        }
        public static void ExpressionVisitor_NoCloning()
        {
            var v = new NoOpVisitor();

            foreach (var e in ExpressionCatalog.Expressions.Where(e => e.NodeType != ExpressionType.Extension))
            {
                Assert.Same(e, v.Visit(e));
            }
        }