---
title: Publishers.ReplaceError.Failure
framework: combine
role: symbol
role_heading: Type Alias
path: combine/publishers/replaceerror/failure
---

# Publishers.ReplaceError.Failure

The kind of errors this publisher might publish.

## Declaration

```swift
typealias Failure = Never
```

## Discussion

Discussion This publisher never fails.

## See Also

### Declaring supporting types

- [Publishers.ReplaceError.Output](combine/publishers/replaceerror/output-swift.typealias.md)
- [Publishers.ReplaceError.Output](combine/publishers/replaceerror/output-swift.typealias.md)