July 2017
Intermediate to advanced
284 pages
6h 45m
English
Content preview from Functional Programming: A PragPub AnthologyBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Transformation Is Job #1
You might be thinking that this is all very well, but you don’t write mathematical functions as part of your daily job.
But functional programming isn’t about mathematical functions.
Functions are things that transform data. The trig function sin transforms the value 90 degrees to the value 1.0. And that’s the hint.
Programming is not about data. It’s about transforming data. Every program we write takes some input and transforms it into some output. The input could be a web request, some command-line parameters, or the weather in Boise. Whatever it is, our code takes it and transforms it multiple times on the way to producing the desired result.
And that’s why I think functional programming is a natural successor ...
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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.
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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.