Published in Jobandtalent Engineering·Sep 14, 2021Value integrity in SwiftReaching the limits of statically typed systems — Introduction I recently read the book Domain modeling made functional by Scott Wlaschin. Great book, highly recommend it. There is a whole chapter dedicated to integrity and consistency inside business domains, in the context of Domain-Driven Design. Scott defines Integrity as making sure that a piece of data follows the correct…Swift10 min read
Published in Jobandtalent Engineering·Mar 3, 2021Statically-typed JSON payload in SwiftIncreasing signal-to-noise ratio via types Introduction Quite a lot has already been said about creating properly typed API clients on top of URLSession. In fact, two of my favorite blog posts about the topic are: Writing a Scalable API Client in Swift 5 by my good friend Víctor Pimentel. Modern Networking…I OS10 min read
Published in Jobandtalent Engineering·Mar 27, 2019The power of mixins in SwiftIntroduction As expected from any new modern language, Swift 1.0 launched with the concept of protocols. Protocols serve as a way to define a blueprint of methods, properties, and contracts that other types must fulfill. Some key benefits we get from using protocols are: The usage of subtype/inclusion polymorphism. Code change…Swift8 min read
Published in Jobandtalent Engineering·Sep 11, 2018iOS Architecture: Separating logic from effectsThis article is the second in a two-part series. You can find the first one here. A year with a State Container based approach It’s been almost a year since I last wrote about the new architecture we implemented in the iOS team at Jobandtalent. It was an architecture that tried to take advantage of some of the…Swift21 min read
Published in Jobandtalent Engineering·Oct 16, 2017iOS Architecture: A State Container based approachThis article is the first in a two-part series. You can find the second one here. A warning about architecture topics I find it incredibly difficult to talk about architecture. …I OS15 min read
