January 2014
Beginner
428 pages
14h 1m
English
Content preview from Beginning Haskell: A Project-Based Approach
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CHAPTER 9
Dealing with Files: IO and Conduit
In Parts 1 and 2 you learned the basics of pure evaluation and how it helps in parallelizing and distributing code. However, sometimes you need to step out to the wild world of side effects. You’ll start by looking at simple input and output in Haskell. At the beginning, the information will be input in the console, and the output will be printed on the screen. Afterward, you’ll learn how to use a permanent means of storing data and reading and writing from files in disk.
Computations with side effects may turn out wrong in many ways; maybe the data is corrupted, or perhaps the network connection goes ...
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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.