reactive/Ix.NET/Source/System.Interactive.Async/System/Linq/Strings.cs

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the Apache 2.0 License.
// See the LICENSE file in the project root for more information. 

namespace System.Linq
{
    internal static class Strings
    {
        public static string NO_ELEMENTS = "Source sequence doesn't contain any elements.";
        public static string MORE_THAN_ONE_ELEMENT = "Source sequence contains more than one element.";
        public static string NOT_SUPPORTED = "Specified method is not supported.";
    }
}