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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
#if NO_RXINTERFACES
namespace System
{
/// <summary>
/// Represents a push-style collection.
/// </summary>
#if !NO_VARIANCE
public interface IObservable<out T>
#else
public interface IObservable<T>
#endif
{
/// <summary>
/// Subscribes an observer to the observable sequence.
/// </summary>
IDisposable Subscribe(IObserver<T> observer);
}
}
#elif !WINDOWSPHONE7 // TypeForwardedTo is not presen on windows phone 7 so we can't really target
[assembly: System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.IObservable<>))]
#endif
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