September 2017
Beginner to intermediate
396 pages
9h 46m
English
Content preview from Haskell Cookbook
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Defining a sum type
The sum types are equivalent to variant (or union in C). However, sum type in Haskell is much more than that. It is also called tagged union. The simplest sum type is Bool, which can take two values True and False. In this recipe, we will define simple sum types and use them in our example.
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