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Real World Haskell

Real World Haskell by O'Sullivan, Goerzen and Stewart

by O'Sullivan, Goerzen and Stewart

Shares rank 38 of 115 programming books by recommenders

Recommended as a practical Haskell book, often suggested as a next step after learning the basics. One comment notes it is nearly 20 years old.

Recommended as a practical Haskell book, often suggested as a next step after learning the basics. One comment notes it is nearly 20 years old.

5 people gave an opinion

recommend it
5
criticize it
0
approval share
100%
Each figure is one person. RecommendsCriticizes

Recommended in 2 of 13 months

  1. November 2025: recommended
  2. December 2025: not recommended
  3. January 2026: not recommended
  4. February 2026: not recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: not recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 5 people recommend itNeeds 10 or more, not met.
  • Nobody criticizes itNeeds 2 to 1 or better, met.
  • Recommended in 2 of 13 monthsNeeds 4 or more, not met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Great book for learning Haskell

    “was a great book, but it is nearly 20 years old.”

    Comment from 18 Oct 2026 in “Real World Haskell, Modernized”
  • Promising table of contents

    “the table of contents looks promising”

    Comment from 1 Nov 2025 in “GHC now runs in the browser”
  • Suggested as next Haskell read

    “Have you tried Real World Haskell?”

    Comment from 1 Nov 2025 in “GHC now runs in the browser”

    “followed by Real World Haskell”

    Comment from 2 Nov 2025 in “GHC now runs in the browser”

Other programming books people recommend

The four most recommended other programming books, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Real World Haskell by O'Sullivan, Goerzen and Stewart compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Crafting Interpretersby Robert Nystrom60494%10—Approved
Clean Codeby Robert C. Martin318726%9——
The Pragmatic Programmerby Hunt and Thomas28197%7—Approved
How to Design Programsby Felleisen, Findler, Flatt and Krishnamurthi18290%7—Approved
Real World Haskellby O'Sullivan, Goerzen and StewartThis page50100%2——
See all 115 programming books, ranked

What people said

4 of the 5 comments that mention it, newest first. Each links to the original comment.

“was a great book, but it is nearly 20 years old.”

RecommendsComment from 18 Oct 2026 in “Real World Haskell, Modernized”

“followed by Real World Haskell”

RecommendsComment from 2 Nov 2025 in “GHC now runs in the browser”

“the table of contents looks promising”

RecommendsComment from 1 Nov 2025 in “GHC now runs in the browser”

“Have you tried Real World Haskell?”

RecommendsComment from 1 Nov 2025 in “GHC now runs in the browser”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.