catchError
function catchError<T, O extends ObservableInput<any>>(selector: (err: any, caught: Observable<T>) => O): OperatorFunction<T, T | ObservedValueOf<O>>;
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catchError<T, O extends ObservableInput<any>>(selector: (err: any, caught: Observable<T>) => O): OperatorFunction<T, T | ObservedValueOf<O>>
[src]§Parameters
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selector: (err: any, caught: Observable<T>) => O
[src]§Return Type
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OperatorFunction<T, T | ObservedValueOf<O>>
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