---
title: "Comment by Роман Киселёв on \"Practical Guide to Fp-ts P2: Option, Map, Flatten, Chain\" | Hashnode"
description: "Very useful, awesome."
url: "https://hashnode.com/posts/practical-guide-to-fp-ts-part-2/6071ba4b8b2b857c0bdb5e52/comment/60ab6c72f06aaf7b7c3de995"
---

[Discussion](https://hashnode.com/posts/practical-guide-to-fp-ts-part-2/6071ba4b8b2b857c0bdb5e52)

Comment [Practical Guide to Fp-ts P2: Option, Map, Flatten, Chain](https://hashnode.com/posts/practical-guide-to-fp-ts-part-2/6071ba4b8b2b857c0bdb5e52)

[Роман Киселёв](https://hashnode.com/@rke)

[May 24, 2021](https://hashnode.com/posts/practical-guide-to-fp-ts-part-2/6071ba4b8b2b857c0bdb5e52/comment/60ab6c72f06aaf7b7c3de995)

Very useful, awesome.