# Components of natural transformations and vertical composition

> Source: <https://discourse.haskell.org/t/components-of-natural-transformations-and-vertical-composition/14148#post_1>
> Published: 2026-05-22 15:17:46+00:00

An extension of Transformations, functors, categories - it’s about components of natural transformations (that surprisingly could be composed vertically).
Featuring how to work with some primitives like List, Nonempty List and Scrolling List.
https://muratkasimov.art/Ya/Articles/Components-of-natural-transformations/