src/mscorlib/src/System/Collections/IEnumerable.cs


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

/*============================================================
**
** Interface:  IEnumerable
** 
** 
**
**
** Purpose: Interface for classes providing IEnumerators
**
** 
===========================================================*/
namespace System.Collections {
    using System;
    using System.Diagnostics.Contracts;
    using System.Runtime.InteropServices;

    // Implement this interface if you need to support VB's foreach semantics.
    // Also, COM classes that support an enumerator will also implement this interface.
    [Guid("496B0ABE-CDEE-11d3-88E8-00902754C43A")]
    [System.Runtime.InteropServices.ComVisible(true)]
    public interface IEnumerable
    {
        // Interfaces are not serializable
        // Returns an IEnumerator for this enumerable Object.  The enumerator provides
        // a simple way to access all the contents of a collection.
        [Pure]
        [DispId(-4)]
        IEnumerator GetEnumerator();
    }
}