30 lines
543 B
C#
30 lines
543 B
C#
// ==++==
|
|
//
|
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
|
//
|
|
// ==--==
|
|
/*============================================================
|
|
**
|
|
** Class: IObserver<T>
|
|
**
|
|
** <OWNER>[....]</OWNER>
|
|
**
|
|
**
|
|
** Purpose: Interface for exposing an Observer in the
|
|
** Observer pattern
|
|
**
|
|
**
|
|
===========================================================*/
|
|
|
|
using System;
|
|
|
|
namespace System
|
|
{
|
|
public interface IObserver<in T>
|
|
{
|
|
void OnNext(T value);
|
|
void OnError(Exception error);
|
|
void OnCompleted();
|
|
}
|
|
}
|