Practical Uses of Monads in Haskell
A recent post on the 'haskellquestions' subreddit discusses the practical use of monads in Haskell. The author aims to help those who understand monads theoretically but struggle with their application in coding. The article provides examples and exercises to enhance understanding of monads and their benefits in structuring code.
- ▪A user on the 'haskellquestions' subreddit sought help with practical uses of monads in Haskell.
- ▪The author reflects on their response and aims to provide a clearer explanation of monads.
- ▪The article includes examples and optional exercises to aid understanding of monads.
3 outlets in our directory ran this story, first to last over 26 hours. All of the coverage we found sits in one bucket: centre. That one-sidedness is itself worth noticing.
- ▪ Practical uses of monads in Haskell — r/programming
- ▪ Blog: practical uses of monads in Haskell — r/haskell
Hacker News (Newest) files mainly under programming. We currently carry 5,306 of its stories.
Story provenance
Source · retrieval · rights · ranking — open for full record
inspect →
Story provenance
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | Nauths |
| Canonical URL | https://nauths.fr/en/2026/05/28/practical-use-of-monads.html |
| Publication time | Sat, 30 May 2026 16:54:02 +0000 |
| Retrieval time | 2026-05-30T16:59:42.361Z |
| Last seen | 2026-05-30T16:59:42.361Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | fgL88AQfbrR5 · 3 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
On the “haskellquestions” subreddit, a user recently asked for some help with monads in Haskell. In their post, they wrote (slightly paraphrased): I feel stuck. I understand the basic concept of monads, but when it comes to the practical use of different types of monads, I am lost. My answer to them was one long comment. But, in hindsight, I think that I could have structured my answer a bit differently, I could have chosen better examples, I could have made that comment more helpful. This post is an attempt at doing just so. In it, we will explore how we can use some standard monads to structure our code, what benefits they bring, and how to use them. In some ways, it covers a lot of what a hypothetical “Haskell 103” would have been, back when I was teaching Haskell at Google.
…
Excerpt limited to ~120 words for fair-use compliance. The full article is at Nauths.
Discussion
0 commentsMore from Nauths
