Tag: Swift book

You use where in Swift to filter things, kinda like a conditional . In various places throughout Swift, the “where” clause provides a constraint and a clear indicator of the data or types you want to work with. What’s so special about where – as you’ll soon see – is its flexible syntax.

Swift Syntax Programs are made up of statements, executed sequentially . More than one statement is allowed per editor line when separated by a semicolon ( ; ). Units of work in Swift are modularized using functions and organized into types. Functions accept one or more parameters, and return values.25 Mar 2019

Rapid development process A clean and expressive language with a simplified syntax and grammar, Swift is easier to read and write . It is very concise, which means less code is required to perform the same task, as compared to Objective-C.