Programare swift Swift tutorial from tutorials point | Page 3

Swift 4 Table of Contents About the Tutorial .................................................................................................................................... i Audience .................................................................................................................................................. i Prerequisites ............................................................................................................................................ i Execute Swift 4 Online ............................................................................................................................. i Disclaimer & Copyright ............................................................................................................................. i Table of Contents .................................................................................................................................... ii 1. SWIFT 4 – OVERVIEW .......................................................................................................... 1 2. SWIFT 4 – ENVIRONMENT ................................................................................................... 2 Try it Option Online ................................................................................................................................. 2 Local Environment Setup......................................................................................................................... 2 3. SWIFT 4 – BASIC SYNTAX ..................................................................................................... 6 Import in Swift 4 ..................................................................................................................................... 6 Tokens in Swift 4 ..................................................................................................................................... 6 Comments ............................................................................................................................................... 7 Semicolons .............................................................................................................................................. 7 Identifiers ................................................................................................................................................ 7 Keywords ................................................................................................................................................ 8 Whitespaces ............................................................................................................................................ 9 Literals .................................................................................................................................................... 9 Printing in Swift ....................................................................................................................................... 9 4. SWIFT 4 – DATA TYPES ...................................................................................................... 11 Built-in Data Types ................................................................................................................................ 11 Bound Values ........................................................................................................................................ 12 Type Aliases .......................................................................................................................................... 12 ii