---
title: "init(catching:)"
framework: Swift
role: symbol
role_heading: Initializer
platforms: [iOS 13.0+, iPadOS 13.0+, Mac Catalyst 13.0+, macOS 10.15+, tvOS 13.0+, visionOS 1.0+, watchOS 6.0+]
path: "swift/result/init(catching:)-1tno"
---

# init(catching:)

Creates a new result by evaluating an async throwing closure, capturing the returned value as a success, or any thrown error as a failure.

## Declaration

```swift
nonisolated(nonsending) init(catching body: nonisolated(nonsending) () async throws(Failure) -> Success) async
```

## Parameters

- `body`: A potentially throwing async closure to evaluate.