The Concepts Equal and Ordering
Apply theoretical knowledge to define advanced concepts: 'Ordering' and 'Equal'.
We'll cover the following
Haskell’s type classes Eq and Ord
In the previous lessons, I answered two essential questions about concepts: “How can a concept be used?” and “How can you define your concepts?”. In this lesson and the lesson ahead, I want to apply the theoretical knowledge provided in those sections to define more advanced concepts such as Ordering, SemiRegular, and Regular.
I presented already in the short detour to the long, long history of concepts a part of Haskell’s type classes hierarchy:
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