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Observable.SingleOrDefault Method

Returns the only element of an observable sequence or a default value.

This member is overloaded. For complete information about this member, including syntax, usage, and examples, click a name in the overload list.

  Name Description
Public method Static member SingleOrDefault<TSource>(IObservable<TSource>) Returns the only element of an observable sequence, or a default value if the observable sequence is empty.
Public method Static member SingleOrDefault<TSource>(IObservable<TSource>, Func<TSource, Boolean>) Returns the only element of an observable sequence that matches the predicate, or a default value if no value is found.
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