Ole Begemann

iOS Development

Latest Blog Posts

Value-Added Tax

July 29, 2014

Starting 2015, VAT on app sales in the European Union will effectively increase from 15% to 18–27%, depending on the country where an app is sold. It is not yet clear whether this will lead to higher consumer prices or lower per-app revenue for developers.

Instance Methods are Curried Functions in Swift

July 28, 2014

An instance method in Swift is just a type method that takes the instance as an argument and returns a function which will then be applied to the instance. This characteristic of Swiftʼs type system can be used to implement Cocoaʼs target-action pattern without Objective-Cʼs dynamic message dispatch.

Strings in Swift Updated

July 22, 2014

I have updated my article on strings in Swift to incorporate the fundamental changes in Xcode 6 beta 4.

UIKonf 2014 Talks

July 21, 2014

A list of my favorite talks from UIKonf 2014.

Strings in Swift

July 3, 2014

An in-depth look at the String type in Swift and how it handles certain Unicode features.