---
title: SwiftLanguageMode
framework: packagedescription
role: symbol
role_heading: Enumeration
path: packagedescription/swiftlanguagemode
---

# SwiftLanguageMode

The Swift language mode used to compile Swift sources in the package

## Declaration

```swift
enum SwiftLanguageMode
```

## Topics

### Swift Language Modes

- [SwiftLanguageMode.v6](packagedescription/swiftlanguagemode/v6.md)
- [SwiftLanguageMode.v5](packagedescription/swiftlanguagemode/v5.md)
- [SwiftLanguageMode.v4_2](packagedescription/swiftlanguagemode/v4_2.md)
- [SwiftLanguageMode.v4](packagedescription/swiftlanguagemode/v4.md)
- [SwiftLanguageMode.version(_:)](packagedescription/swiftlanguagemode/version(_:).md)
- [SwiftLanguageMode.v3](packagedescription/swiftlanguagemode/v3.md)

## Relationships

### Conforms To

- [Copyable](swift/copyable.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Escapable](swift/escapable.md)

## See Also

### Declaring Supported Languages

- [CLanguageStandard](packagedescription/clanguagestandard.md)
- [CXXLanguageStandard](packagedescription/cxxlanguagestandard.md)
- [swiftLanguageModes](packagedescription/package/swiftlanguagemodes.md)
- [cLanguageStandard](packagedescription/package/clanguagestandard.md)
- [cxxLanguageStandard](packagedescription/package/cxxlanguagestandard.md)
- [SwiftVersion](packagedescription/swiftversion.md)
- [swiftLanguageVersions](packagedescription/package/swiftlanguageversions.md)