Curry’n’C Converter — Using Haskell with Objective-C in the Classic Cocoa TutorialUsing the classic “Currency Converter” Objective-C tutorial application as an example I show how to implement the model layer of a Cocoa application in Haskell: I explain how to modify the standard Xcode project for building a mixed Haskell/Objective-C application. I create an Objective-C wrapper class for the Haskell model part that hides the Haskell implementation from the Objective-C controller
