February 2018
Intermediate to advanced
350 pages
7h 35m
English
Content preview from Functional Kotlin
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Immutability - It's Important
So, we are in the third chapter of, Functional Kotlin. In this chapter, we are going to discuss immutability. Immutability is probably the most important aspect of functional programming; actually, not only in functional programming, but OOP also gives some room to nurture immutability with immutable objects. So, why is it so important? What does it mean? How can we implement immutability in Kotlin? Let's answer these questions in this chapter.
The following are the points we are going to cover in this chapter:
- What is immutability?
- The advantages of immutability
- How to implement immutability in Kotlin?
- Immutability in variables
- val versus var
- val and const val—are they truly immutable?
- Compiler optimization ...
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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.