# Defer in Swift explained with Code Examples

DevFeed: [Defer in Swift explained with Code Examples](<https://devfeed.tech/articles/defer-in-swift-explained-with-code-examples-11485.md>)

Original publisher: [Read original article](<https://www.avanderlee.com/swift/defer-usage-swift/>)

Author: Antoine van der Lee

Published: 2026-07-06T12:51:59Z

Content type: tutorial

Language: en

Sources: [SwiftLee](<https://devfeed.tech/sources/swiftlee.md>)

Topics: [Swift](<https://devfeed.tech/topics/swift.md>), [Code](<https://devfeed.tech/topics/code.md>), [async/await](<https://devfeed.tech/topics/async-await.md>), [Concurrency](<https://devfeed.tech/topics/concurrency.md>)

Tags: [code](<https://devfeed.tech/tags/code.md>), [concurrency](<https://devfeed.tech/tags/concurrency.md>), [defer](<https://devfeed.tech/tags/defer.md>), [examples](<https://devfeed.tech/tags/examples.md>), [leaving](<https://devfeed.tech/tags/leaving.md>), [scope](<https://devfeed.tech/tags/scope.md>), [swift](<https://devfeed.tech/tags/swift.md>)

## AI overview

This tutorial explains Swift's defer statement, which runs code when control leaves its scope. It covers reverse execution order for multiple defer statements, using defer for resource cleanup, and Swift 6.4 support for awaiting asynchronous cleanup in defer bodies.

## Source excerpt

Although the defer keyword was already introduced in Swift 2.0, it's still quite uncommon to use it in projects. Its usage can be hard to understand, but using it can improve your code a lot in some places. The most common use case seen around is opening and closing a context within a scope. Starting ... -> The post Defer in Swift explained with Code Examples appeared first on SwiftLee.