/// <summary>
/// BehaviorSubject 可以设置初始值，并且每次都会发射并缓存最新值
/// BehaviorSubject.Value 可以获取到初始值或者最新值
/// 适合用于一些状态变化的场景
/// </summary>
public static void PreserveLastStateWithBehaviorSubject()
{
var sbj = new BehaviorSubject <int>(2);
Console.WriteLine($"BehaviorSubject.Value:{sbj.Value}");
sbj.SubscribeConsole("first");
sbj.OnNext(3);
sbj.SubscribeConsole("second");
sbj.OnCompleted();
Console.WriteLine($"BehaviorSubject.Value:{sbj.Value}");
}
private static void BehaviorSubjectExample()
{
Demo.DisplayHeader("BehaviorSubject - initialized with a default value and has a memory of the latest value");
//NetworkConnectivity: Connected or Disconnected
BehaviorSubject <NetworkConnectivity> connection = new BehaviorSubject <NetworkConnectivity>(NetworkConnectivity.Disconnected);
connection.SubscribeConsole("first");
connection.OnNext(NetworkConnectivity.Connected);
connection.SubscribeConsole("second");
Console.WriteLine("Connection is {0}", connection.Value);
}
