Hi, I’m Ole. I’m an iOS and Mac developer from Berlin. I mainly write about software development on Apple platforms. More about me.

1. Option Sets in Swift

   Swift's answer to bit masks. More >

   September 28, 2016

2. What’s in a Collection?

   An overview of the five associated types declared by the Collection protocol in an effort to better understand how collections work in Swift. More >

   September 22, 2016

3. Ranges in Swift 3

   Why are there four different range types in Swift 3? Why are some ranges collections and others are not? Why are half-open and closed ranges not convertible into each other? More >

   September 14, 2016

4. Strings in Swift 3

   An in-depth look at String handling in Swift, focusing on the unique way how it handles Unicode. More >

   August 31, 2016

5. Measurements and Units with Phantom Types

   An exploration of an alternative API for units of measurements based on phantom types. More >

   August 22, 2016