Visit() [2/2]

ReadOnlyCollection< Expression > System.Linq.Expressions.ExpressionVisitor.Visit ( ReadOnlyCollection< Expression > nodes )

inlineinherited

Definition at line 16 of file ExpressionVisitor.cs.

    {
        ContractUtils.RequiresNotNull(nodes, "nodes");
        Expression[] array = null;
        int i = 0;
        for (int count = nodes.Count; i < count; i++)
        {
            Expression expression = Visit(nodes[i]);
            if (array != null)
            {
                array[i] = expression;
            }
            else if (expression != nodes[i])
            {
                array = new Expression[count];
                for (int j = 0; j < i; j++)
                {
                    array[j] = nodes[j];
                }
                array[i] = expression;
            }
        }
        if (array == null)
        {
            return nodes;
        }
        return new TrueReadOnlyCollection<Expression>(array);
    }

References System.array, System.Linq.count, System.Collections.ObjectModel.ReadOnlyCollection< T >.Count, System.Dynamic.Utils.ContractUtils.RequiresNotNull(), and System.Linq.Expressions.ExpressionVisitor.Visit().