lemma in mathematics is a stepping stone of information used when creating something more complicated.

Swift Lemma is dedicated to the building blocks of the iOS and Swift ecosystem. From best practices to easily missed features, the posts here should help a wide range of developers hone their craft.

Posts on Swift Lemma are authored by Zac West, who has been writing code using Apple SDKs for over a decade. You may find his open source libraries helpful as well.

If you’ve got feedback or ideas, feel free to send an email.