Get the most out of Swift 4 with this carefully compiled collection of select code snippets designed to solve everyday coding problems. This book features the Apress easy-to-use recipe format, with step-by-step instructions, and a no-fuss approach. You'll explore a wide range of topics, all neatly organized according to the language's own core elements and building blocks. You'll review common topics such as conditionals, loops, functions, classes, closures, and arrays. This book also includes recipes to some more advanced problems found in files, system programming, and algorithms. With Swift 4 Recipes, your programming problems are easily resolved, without wading through paragraphs of text. What You'll Learn Create if-switch statements, ternary operator, and nil-coalescing Work with numbers, conversions, mathematical functions Access the command line and retrieving system info Who This Book Is For Mac and iOS developers either looking for a quick problem-solution manual to get started or in search of a quick reference for everyday problems in a dictionary-like fashion.