July 2023
Beginner to intermediate
488 pages
14h
English
book
Functional Programming in Scala, Second Edition
by Runar Bjarnason, Michael Pilquist, Paul Chiusano
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15 Stream processing and incremental I/O
This chapter covers
- Examining the limitations of imperative I/O
- Covering an expressive approach to stream transformations
- Introducing effectful streaming computations
- Explaining resource safety
We mentioned in the introduction to part 4 that functional programming is a complete paradigm. Every imaginable program can be expressed functionally, including programs that interact with the external world—but it would be disappointing if the IO type were the only way of constructing such programs. IO and ST work by simply embedding an imperative programming language into the purely functional subset of Scala. While programming within the IO monad, we have to reason about our programs, much like we would in ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.