Qbservable.IsEmpty(IQbservable) method¶
Defined in
Type: Qbservable
Namespace: System.Reactive.Linq
Assembly: System.Reactive.dll
Applies to
netstandard2.0
public static IQbservable<bool> IsEmpty<TSource>(this IQbservable<TSource> source)
Summary: Determines whether an observable sequence is empty.
Type parameters
| Name | Description |
|---|---|
TSource | The type of the elements in the source sequence. |
Parameters
| Name | Type | Description |
|---|---|---|
source | [IQbservable | An observable sequence to check for emptiness. |
Returns: IQbservable
Exceptions
| Type | Condition |
|---|---|
| System.ArgumentNullException | source is null. |