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A Couple Million Lines of Haskell: Production Engineering at Mercury
⚡️ Haskell at Scale: Why It Matters for Production Engineering
Mercury's experience with a couple million lines of Haskell code showcases the language's practical value in building scalable and maintainable systems. By leveraging Haskell's strong type system and functional programming paradigm, developers can ensure high-quality code with reduced bugs, making it ideal for large-scale production environments where reliability and performance are critical. This approach streamlines development and maintenance, allowing teams to focus on delivering robust solutions.
2:05 am, May 3, 2026
guid
https://news.ycombinator.com/item?id=47991802
source_url
https://blog.haskell.org/a-couple-million-lines-of-haskell/
author_name
unignorant
id: 2425
uid: IKsyv
insdate: 2026-05-03 02:05:13
title: A Couple Million Lines of Haskell: Production Engineering at Mercury
additional:
Mercury's experience with a couple million lines of Haskell code showcases the language's practical value in building scalable and maintainable systems. By leveraging Haskell's strong type system and functional programming paradigm, developers can ensure high-quality code with reduced bugs, making it ideal for large-scale production environments where reliability and performance are critical. This approach streamlines development and maintenance, allowing teams to focus on delivering robust solutions.
category: Hacker News
md5:
guid: https://news.ycombinator.com/item?id=47991802
source_url: https://blog.haskell.org/a-couple-million-lines-of-haskell/
updated:
image:
author_name: unignorant
author_link:
uid: IKsyv
insdate: 2026-05-03 02:05:13
title: A Couple Million Lines of Haskell: Production Engineering at Mercury
additional:
⚡️ Haskell at Scale: Why It Matters for Production Engineering
Mercury's experience with a couple million lines of Haskell code showcases the language's practical value in building scalable and maintainable systems. By leveraging Haskell's strong type system and functional programming paradigm, developers can ensure high-quality code with reduced bugs, making it ideal for large-scale production environments where reliability and performance are critical. This approach streamlines development and maintenance, allowing teams to focus on delivering robust solutions.
category: Hacker News
md5:
guid: https://news.ycombinator.com/item?id=47991802
source_url: https://blog.haskell.org/a-couple-million-lines-of-haskell/
updated:
image:
author_name: unignorant
author_link:
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- Ask HN: Academic study on AI's impact on software development – want to join?
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- Ask HN: Due to spam on GitHub, what platforms can I move my projects?
- Ask HN: European Tech Alternatives?
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- Ask HN: How are you all staying sane?
- Ask HN: How did you land your first projects as a solo engineer/consultant?
- Ask HN: How do you handle marketing as a solo technical founder?
- Ask HN: How is AI-assisted coding going for you professionally?
- Ask HN: How to Be Alone?
- Ask HN: How to be SOC2 Type 2 compliant as a solo-entreprenuer?
- Ask HN: Is "no source code was copied" still a sufficient copyright defense?
- Ask HN: Is GitHub preparing to go behind a login wall?
- Ask HN: Is anyone experimenting with different ways of using LLMs for coding?
- Ask HN: Is anyone working at least 4 hours daily on an Apple Vision Pro?
- Ask HN: Is it just me, or is software buggier across the board?
- Ask HN: My ISP is telling my neighbors their slow internet is because of me
- Ask HN: Please restrict new accounts from posting
- Ask HN: Remember Fidonet?
- Ask HN: Share your productive usage of OpenClaw
- Ask HN: So what happened to Facebook "localhost" tracking?
- Ask HN: What Are You Working On? (July 2026)
- Ask HN: What Are You Working On? (March 2026)
- Ask HN: What are you working on? (June 2026)
- Ask HN: What are you working on? (May 2026)
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- Ask HN: Who is hiring? (March 2026)
- Ask HN: Who wants to be hired? (June 2026)
- Ask HN: Why hasn't there been a real competitor to Ticketmaster yet?
- Ask HN: Why is the HN crowd so anti-AI?
- Ask HN: Will programmers write more efficient code during the memory shortage?
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- Astronomers find the edge of the Milky Way
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- Bjarne Stroustrup: How do I deal with memory leaks? (2022)
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- Block the "Upgrade to Tahoe" Alerts
- Block the “Upgrade to Tahoe” Alerts
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- CC-Canary: Detect early signs of regressions in Claude Code
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- CSS is DOOMed
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- Cambodia unveils a statue of famous landmine-sniffing rat Magawa
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- Can the stockmarket swallow Anthropic, SpaceX and OpenAI?
- Can we code our way out of gentrification?
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- Can't Stop the Signal. Poison It
- Canada is looking to build up to 10 new nuclear reactors over the next 15 years
- Canada plans 'nuclear renaissance' with up to 10 reactors built by 2040
- Canada to order military plane fleet from Sweden in shift from US suppliers
- Canada's bill C-22 mandates mass metadata surveillance
- Canada's bill C-22 mandates mass metadata surveillance of Canadians
- Canada’s Bill C-22 Is a Repackaged Version of Last Year’s Surveillance Nightmare
- Cancel ChatGPT AI boycott surges after OpenAI pentagon military deal
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