Get Acquainted with Functor Data Types in JavaScript by creating an Identity Functor

Use a Maybe functor to halt transformer functions from acting on null or undefined values

Creating Semigroup Data Types from Scratch

Testing Semigroups to Ensure They Abide by the Law of Associativity

Leveraging Semigroups to Create Reusable Max & Min Interfaces

Leveraging Semigroups to Create Reusable Any & All Interfaces

Upgrading Semigroup Data Types to Monoids

Transforming All, Any, Max, & Min from Semigroups to Monoids

Learn How to Define a Generalized Monoidal Fold Function

Exploring Common Algebraic Data Types Used in Functional Programming

This lesson extends upon our knowledge of semigroups and shows viewers how to create `Max` and  `Min` semigroups which provide us with an interface for comparing numerical values.


[Fantasyland Docs - Semigroup](https://github.com/fantasyland/fantasy-land#semigroup)

Course

Exploring Common Algebraic Data Types Used in Functional Programming

Leveraging Semigroups to Create Reusable Max & Min Interfaces

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