The discussion of why 1 'div' 0 isn’t evaluated in lazyIODemo (ePub p 214) could be expanded. The rationale (don’t want to read an entire file if it won’t be used) makes sense, but a bit more on why it isn’t evaluated would help (what would you need to put in the code to force an evaluation?). When…

Effective Haskell: Chapter 7 Suggestions

RebeccaSkinner 6 March 2022 01:51 2

Good catches- I’ll definitely get that on the list for the next batch of beta updates.