Tutorial by Examples



Write your code in a file named hello.swift: print("Hello, world!") To compile and run a script in one step, use swift from the terminal (in a directory where this file is located): To launch a terminal, press CTRL+ALT+T on Linux, or find it in Launchpad on macOS. To change dire...
First, download the compiler and components. Next, add Swift to your path. On macOS, the default location for the downloadable toolchain is /Library/Developer/Toolchains. Run the following command in Terminal: export PATH=/Library/Developer/Toolchains/swift-latest.xctoolchain/usr/bin:"${PATH}...
From your Mac, download and install Xcode from the Mac App Store following this link. After the installation is complete, open Xcode and select Get started with a Playground: On the next panel, you can give your Playground a name or you can leave it MyPlayground and press Next: Select a locat...
Swift Playgrounds app is a great way to get started coding Swift on the go. To use it: 1- Download Swift Playgrounds for iPad from App Store. 2- Open the app. 3- In the My Playgrounds tab, tap + on the top left corner and then select Blank template. 4- Enter your code. 5- Tap Run My Code to r...
Optionals type, which handles the absence of a value. Optionals say either "there is a value, and it equals x" or "there isn't a value at all". An Optional is a type on its own, actually one of Swift’s new super-powered enums. It has two possible values, None and Some(T), where ...

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