# Effective Haskell: Chapter 8 errata and suggestions

**URL:** <https://forum.devtalk.com/t/effective-haskell-chapter-8-errata-and-suggestions/47213>\
**Category:** PragProg Customers\
**Tags:** book-effective-haskell, suggestion, errata\
**Created:** [27 March 2022 18:24 UTC](https://forum.devtalk.com/t/effective-haskell-chapter-8-errata-and-suggestions/47213 "2022-03-27T18:24:48Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![RebeccaSkinner](https://forum.devtalk.com/user_avatar/forum.devtalk.com/rebeccaskinner/32/3888_2.png) [@RebeccaSkinner](https://forum.devtalk.com/u/RebeccaSkinner)\
**Post date:** [27 March 2022 19:35 UTC](https://forum.devtalk.com/t/effective-haskell-chapter-8-errata-and-suggestions/47213/2 "2022-03-27T19:35:33Z")

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Great catch- thanks!  
I agree that we shouldn’t mix `return` and `pure` - I must have overlooked that example when I was doing some earlier revision, I’ll be sure to get that fixed for the next beta update!

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