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ReactiveExtensions.CatchAndReturn(IObservable, T) method¶

Defined in

Type: ReactiveExtensions Namespace: ReactiveUI.Extensions Assembly: ReactiveUI.Extensions.dll

Applies to

net10.0, net10.0-browserwasm1.0, net10.0-desktop1.0, net9.0, net9.0-browserwasm1.0, net9.0-desktop1.0, net8.0, net8.0-ios17.5, net8.0-maccatalyst17.5, net8.0-macos14.2, net8.0-macos14.5, net8.0-tvos17.2, netstandard2.1, net462, net481

Overloads¶

1. public static IObservable<T> CatchAndReturn<T>(this IObservable<T> source, T fallback)
2. public static IObservable<T> CatchAndReturn<T, TException>(this IObservable<T> source, Func<TException, T> fallbackFactory) where TException : Exception

1. Overload¶

public static IObservable<T> CatchAndReturn<T>(this IObservable<T> source, T fallback)

View source

Summary: Catches any error and returns a fallback value then completes.

Type parameters

Name	Description
`T`	Element type.

Parameters

Name	Type	Description
`source`	IObservable	Source sequence.
`fallback`	`T`	Fallback value.

Returns: IObservable -- Sequence producing either original values or fallback on error then completing.

2. Overload¶

public static IObservable<T> CatchAndReturn<T, TException>(this IObservable<T> source, Func<TException, T> fallbackFactory) where TException : Exception

View source

Summary: Catches a specific exception type mapping it to a fallback value.

Type parameters

Name	Description
`T`	Element type.
`TException`	Exception type.

Parameters

Name	Type	Description
`source`	IObservable	Source sequence.
`fallbackFactory`	Func	Factory producing fallback from the exception.

Returns: IObservable -- Recovered sequence.