Visit< T >()

static ReadOnlyCollection< T > System.Linq.Expressions.ExpressionVisitor.Visit< T > ( ReadOnlyCollection< T > nodes, Func< T, T > elementVisitor )

inlinestaticinherited

Definition at line 55 of file ExpressionVisitor.cs.

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

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