Little Snippets #1: Group By in Swift 3
Fernando Martín Ortiz
494

Great post,

Btw I wrote something similar in my library called [SwiftlyExt](https://github.com/khoiln/SwiftlyExt)

Check out the implementation, it’s a little bit different though

https://github.com/khoiln/SwiftlyExt/blob/master/Source/ArrayExtensions.swift