The concept of functional Lenses in Swift.

Functional Lens - convenient, powerful, and safe concept for data mutation. A good Talk about Lenses in Swift from Brandon Williams highly recommended.

* - lenses composition;
*~ - set value;
|> - piping.

Example of usage:

user = user |> User.idLens *~ newId
user = user |> (User.nameLens * Name.firstNameLens) *~ "Joel"

• Swift Package Manager by url: https://github.com/bigMOTOR/swift-lens.git

• Something wrong or you need anything else? Please open an issue or make a Pull Request.
• Pull requests are welcome.

swift-lens is available under the MIT license. See the LICENSE file for more info.