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Principled type conversions with Natural Transformations

4:03 JavaScript lesson by

We learn what a natural transformation is and see the laws it must obey. We will see how a natural transformation must uphold the law of nt(x).map(f) == nt(x.map(f)).

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We learn what a natural transformation is and see the laws it must obey.

HEY, QUICK QUESTION!
Joel's Head
Why are we asking?