What does Swift

look like?

1. Function accepts an arbitrary number of ints as input

2. Variable types can be inferred

3. Iterate over a collection. Loop variable type is inferred

4, 5: You’ve seen this before. No need to discuss further

6. Function sumNumbers is called with a collection of integers. Variable sum is a constant, defined by the let keyword.

7. Value is displayed to the console

“Objective-C without the C”

Initially described as “Objective-C without the C”, in some ways Swift actually moves closer to modern languages influenced by C and

C++.

It removes Smalltalk-like syntax for method calls, replaced with dot-notation similar to Scala, C++, Java, C#, and many other modern languages

Manning, Jon, Paris Buttfield-Addison, and Tim Nugent. Swift Development with Cocoa. O'Reilly Media, 2014