Conventions

In this book, you will find a number of text styles that distinguish between different kinds of information. Here are some examples of these styles and an explanation of their meaning.

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "If we had an OS X playground open, we would use an NSColor object to represent a color."

A block of code is set as follows:

var name = "Jon"
var language = "Swift"

var message1 = " Welcome to the wonderful world of "
var message2 = "\(name) Welcome to the wonderful world of \(language)!"

print(name, message1, language, "!")
print(message2)

New terms and important words are shown in bold. Words ...

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