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

# Publishers.AssertNoFailure.Failure

The kind of errors this publisher might publish.

## Declaration

```swift
typealias Failure = Never
```

## Discussion

Discussion This publisher never produces errors.

## See Also

### Declaring supporting types

- [Publishers.AssertNoFailure.Output](combine/publishers/assertnofailure/output.md)