---
title: AsyncDropWhileSequence.Failure
framework: swift
role: symbol
role_heading: Type Alias
path: swift/asyncdropwhilesequence/failure
---

# AsyncDropWhileSequence.Failure

The type of errors produced by this asynchronous sequence.

## Declaration

```swift
typealias Failure = Base.Failure
```

## Discussion

Discussion The drop-while sequence produces whatever type of error its base sequence produces.