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Qbservable.Concat(IQbservable, IObservable) method¶

Overloads¶

• 1. public static IQbservable<TSource> Concat<TSource>(this IQbservable<TSource> first, IObservable<TSource> second)
• 2. public static IQbservable<TSource> Concat<TSource>(this IQbservableProvider provider, params IObservable<TSource>[] sources)
• 3. public static IQbservable<TSource> Concat<TSource>(this IQbservableProvider provider, IEnumerable<IObservable<TSource>> sources)
• 4. public static IQbservable<TSource> Concat<TSource>(this IQbservable<IObservable<TSource>> sources)
• 5. public static IQbservable<TSource> Concat<TSource>(this IQbservable<Task<TSource>> sources)

1. Overload¶

public static IQbservable<TSource> Concat<TSource>(this IQbservable<TSource> first, IObservable<TSource> second)

Summary: Concatenates the second observable sequence to the first observable sequence upon successful termination of the first.

Type parameters

Parameters

Returns: IQbservable -- An observable sequence that contains the elements of the first sequence, followed by those of the second the sequence.

Exceptions

2. Overload¶

public static IQbservable<TSource> Concat<TSource>(this IQbservableProvider provider, params IObservable<TSource>[] sources)

Summary: Concatenates all of the specified observable sequences, as long as the previous observable sequence terminated successfully.

Type parameters

Parameters

Returns: IQbservable -- An observable sequence that contains the elements of each given sequence, in sequential order.

Exceptions

3. Overload¶

public static IQbservable<TSource> Concat<TSource>(this IQbservableProvider provider, IEnumerable<IObservable<TSource>> sources)

Summary: Concatenates all observable sequences in the given enumerable sequence, as long as the previous observable sequence terminated successfully.

Type parameters

Parameters

Returns: IQbservable -- An observable sequence that contains the elements of each given sequence, in sequential order.

Exceptions

4. Overload¶

public static IQbservable<TSource> Concat<TSource>(this IQbservable<IObservable<TSource>> sources)

Summary: Concatenates all inner observable sequences, as long as the previous observable sequence terminated successfully.

Type parameters

Parameters

Returns: IQbservable -- An observable sequence that contains the elements of each observed inner sequence, in sequential order.

Exceptions

5. Overload¶

public static IQbservable<TSource> Concat<TSource>(this IQbservable<Task<TSource>> sources)

Summary: Concatenates all task results, as long as the previous task terminated successfully.

Type parameters

Parameters

Returns: IQbservable -- An observable sequence that contains the results of each task, in sequential order.

Remarks

If the tasks support cancellation, consider manual conversion of the tasks using FromAsync, followed by a concatenation operation using Concat.

Exceptions