October 2021
Intermediate to advanced
500 pages
16h 23m
English
Content preview from Kotlin Programming: The Big Nerd Ranch Guide, 2nd Edition
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8 Lambda Expressions and the Function Type
In Chapter 4, you saw how to define functions in Kotlin by naming them and how to call them by name. In this chapter, you will see another way to define functions. This new type of function definition will let you treat a function as a value – much like the way you use String and Int. With this new style of function definition, you will be able to store functions inside variables, pass functions into other functions, and return functions from functions.
To see these concepts in action, you will begin building a project called NyetHack, which you will work on through Chapter 19.
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.