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    Upgrading Semigroup Data Types to Monoids

    javascriptJavaScript

    In this lesson, we'll begin working with monoids by creating some of our own. Specifically, we will upgrade a previously defined semigroup (Product) so that it takes the form of a valid monoid. To ensure that we have a valid monoid, we will wrap up this video by testing Product so that it holds the laws of Right identity and Left` identity.

    Fantasy Land Docs - Monoid