Using Containers and Type Classes

  • Alejandro Serrano Mena
Chapter

Abstract

You have seen how parametric polymorphism and higher-order functions help in the process of abstraction. In this chapter, I’ll introduce a new kind of polymorphism that sits in between parametric and the absence of polymorphism: ad hoc polymorphism. Using this feature, you can express that certain types exhibit a common behavior. And incidentally, you will learn how Haskell makes it possible to use addition, (+), on different numeric types while maintaining a strong type system.

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Copyright information

© Alejandro Serrano Mena 2014

Authors and Affiliations

  • Alejandro Serrano Mena
    • 1
  1. 1.MadridSpain

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