What is a Functor? Definition and Examples, Part 1
Next up in our mini series on basic category theory: functors! We began this series by asking What is category theory, anyway? and last week walked through the precise definition of a category along with some examples. As we saw in example #3 in that post, a functor can be viewed an arrow/morphism between two categories.
https://www.math3ma.com/blog/what-is-a-functor-part-1
