Locks, Thread Safety, and Swift: 2017 Edition
http://www.mikeash.com/pyblog/friday-qa-2017-10-27-locks-thread-safety-and-swift-2017-edition.html [www.mikeash.com]
2017-10-30 17:27
Swift has no language facilities for thread synchronization, but the APIs make up for it. GCD remains one of Apple’s crown jewels, and the Swift API for it is great.