A book on pragmatic, professional Haskell development written by @mattoflambda. Follow this account to receive updates on the book's progress.

Joined May 2019
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Production Haskell is complete! In the next few days, you'll be able to find hard copies on Amazon leanpub.com/production-haske…
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Production Haskell retweeted
8 Aug 2024
I have finished @prodhaskell and enjoyed it. However, the database migration section was practically empty. If this tweet gets enough likes I will do a blogpost for @scrive explaining how we do migrations with #Haskell and the hpqtypes library with 0 downtime! 👀🙏🏼
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Production Haskell retweeted
18 Jul 2024
Started reading @prodhaskell some weeks ago and so far I'm really enjoying it, maybe I will create a thread with the interesting things I've learned! #Haskell
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Production Haskell retweeted
4 Jul 2024
Production Haskell by Matt Parsons is on sale on Leanpub! Its suggested price is $40.00; get it for $22.50 with this coupon: leanpub.com/sh/TDw4avef @mattoflambda #Haskell

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Production Haskell is the best selling book on Leanpub over the last week! 🎉
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have to give a shout out to @leanpub their platform makes it so easy to write and publish their Author Services make it so easy to have print books on Amazon, paid for itself on day 1 A highly recommend, fantastic platform
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Just released the RC2. Next steps: cover art and hard copies!
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Production Haskell retweeted
17 Dec 2022
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lol apparently the "sample" grew to over 190 pages when i wasn't looking full book gonna be around 450 pages
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I've edited the book and it's now in RC1!
Production Haskell is available again through Leanpub! leanpub.com/production-haske…
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editing be like s/\<very\>//g
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oh neat @leanpub author service looks great - a print book on Amazon and I don't have to do any work? heck yeah sign me up
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v11 is out! This clears out my TODO list for new content. Next releases will be primarily cleanup and editing. leanpub.com/production-haske…
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Published v10! First draft of a Family Values chapter detailing type/data and open/closed families
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Published an update! Mostly minor changes and filling out some TODOs in mostly complete chapters.
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Production Haskell has been picked up by @ManningBooks! If you've purchased the book already, send me a proof-of-purchase and I'll ensure that you're enrolled in MEAP when the time comes.
big news coming soon
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to send it to me, please send to my email - parsonsmatt at gmail dot com
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Unfortunately, things with Manning didn't work out, so the book will be finished and published with Leanpub.
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