<PackageReference Include="System.Reactive" Version="6.0.0-preview.13" />
    
	
	
		
		
		
	 
	
	
        
                
                TimeInterval<TSource>
                
                
                
                
using System.
Reactive.
Concurrency;
using System.
Runtime.
CompilerServices;
namespace System.
Reactive.
Linq.
ObservableImpl
{
    [
System.
Runtime.
CompilerServices.
NullableContext(
1)]
    [
System.
Runtime.
CompilerServices.
Nullable(
new byte[] {
        
0,
        
0,
        
1,
        
1,
        
1
    })]
    
internal sealed class TimeInterval<[
System.
Runtime.
CompilerServices.
Nullable(
2)] 
TSource> : 
Producer<
System.
Reactive.
TimeInterval<
TSource>, 
TimeInterval<
TSource>.
_>
    {
        [
System.
Runtime.
CompilerServices.
Nullable(
new byte[] {
            
0,
            
1,
            
0,
            
1
        })]
        
internal sealed class _ : 
Sink<
TSource, 
System.
Reactive.
TimeInterval<
TSource>>
        {
            [
System.
Runtime.
CompilerServices.
Nullable(
2)]
            
private IStopwatch _watch;
            
private TimeSpan _last;
            
public _([
System.
Runtime.
CompilerServices.
Nullable(
new byte[] {
                
1,
                
0,
                
1
            })] 
IObserver<
System.
Reactive.
TimeInterval<
TSource>> 
observer)
                : 
base(
observer)
            {
            }
            
public void Run(
TimeInterval<
TSource> 
parent)
            {
                
_watch = 
parent.
_scheduler.
StartStopwatch();
                
_last = 
TimeSpan.
Zero;
                
SetUpstream(
parent.
_source.
Subscribe(
this));
            }
            
public override void OnNext(
TSource value)
            {
                
TimeSpan elapsed = 
_watch.
Elapsed;
                
TimeSpan interval = 
elapsed.
Subtract(
_last);
                
_last = 
elapsed;
                
ForwardOnNext(
new System.
Reactive.
TimeInterval<
TSource>(
value, 
interval));
            }
        }
        
private readonly IObservable<
TSource> 
_source;
        
private readonly IScheduler _scheduler;
        
public TimeInterval(
IObservable<
TSource> 
source, 
IScheduler scheduler)
        {
            
_source = 
source;
            
_scheduler = 
scheduler;
        }
        [
return: 
System.
Runtime.
CompilerServices.
Nullable(
new byte[] {
            
1,
            
0
        })]
        
protected override _ CreateSink([
System.
Runtime.
CompilerServices.
Nullable(
new byte[] {
            
1,
            
0,
            
1
        })] 
IObserver<
System.
Reactive.
TimeInterval<
TSource>> 
observer)
        {
            
return new _(
observer);
        }
        
protected override void Run([
System.
Runtime.
CompilerServices.
Nullable(
new byte[] {
            
1,
            
0
        })] 
_ sink)
        {
            
sink.
Run(
this);
        }
    }
}