Here's another article of the serie "The easiest ". Previous ones on Core Data (The easiest Core Data [https://albertodebortoli.com/2016/08/05/the-easiest-core-data/]) and Future and Promises (The easiest promises in Swift [https://albertodebortoli.com/2018/02/12/the-easiest-promises-in-swift/]). It was a cold Sunday afternoon when I decided to| Alberto De Bortoli