/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
 * Use of this file is governed by the BSD 3-clause license that
 * can be found in the LICENSE.txt file in the project root.
 */
namespace Antlr4.Runtime.Sharpen
{
	using System.Collections.Generic;

	internal static class ListExtensions
    {
        public static T Set<T>(this IList<T> list, int index, T value)
            where T : class
        {
            T previous = list[index];
            list[index] = value;
            return previous;
        }
    }
}
