Kotlin Standard Library Cookbook

Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "We can do so with the extension function provided for the IntProgression, LongProgression, and CharProgression types, which is called reversed()."

A block of code is set as follows:

val daysOfYear: IntRange = 1..365for(day in daysOfYear.reversed()) {    println("Remaining days: $day")}

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

val sequence = sequenceOf("a", "b", "c", "d", "e", "f", "g", "h")val transformedSequence ...