<PackageReference Include="System.Reactive" Version="6.1.0-preview.9" />
System.Reactive.Linq.ObservableImpl.Collect<TSource, TResult>
public Collect(
IObservable<
TSource>
source,
Func<
TResult>
getInitialCollector,
Func<
TResult,
TSource,
TResult>
merge,
Func<
TResult,
TResult>
getNewCollector)