Introduction
At Apple’s yearly World Wide Developer Conference (WWDC) in June 2014, Apple announced a new programming language called Swift that the company had been developing since 2010. This was a huge announcement; Objective-C had been the primary language of choice for developing most Mac and iOS apps for many years. The excitement surrounding this language was palpable. Twitter lit up with tweets about Swift, domain names with Swift in the title were being purchased left and right, and within 24 hours of the announcement, more than 300,000 copies of Apple’s Swift iBook had been downloaded. People were ready for change.
But a new language brings not only syntactic differences but also idiomatic differences and new conventions. Swift is not ...
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