September 2017
Beginner to intermediate
396 pages
9h 46m
English
Content preview from Haskell Cookbook
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How it works...
- First, we defined a data type called Days. It has seven alternative values (Sunday to Saturday). The Days type can take, at the most, seven values.
- Next, we defined a data type called Variant. The Variant data type is classified by five type arguments. In the example, we used Int, Float, Double, Char, and String. The data type defines constructors Variant1 ... Variant5 with a field each corresponding to one type. At the same type, we also have a constructor Variant0, which does not have a field at all. Hence, the number of possible types that Variant can take is the sum of all possible values that each type can take. Additionally, we have to add one value for Variant0.
- Since the number of possible values is the sum of ...
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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.
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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.