Haskell

How Megaparsec combines error information

How is error information combined when parsers are combined? For example, using to combine parsers, I would expect the set of expected characters for an error to be the union of the sets of expected characters from the individual parsers. (I'm finding it hard to pin down the behaviour of or even to find the relevant source...

[RFC] Bumping recommended GHC to 9.4.5 in GHCup (discourse.haskell.org)

9.2.8 is currently the recommended GHC in GHCup, but 9.2 branch won’t get a new release anymore. Stackage LTS-21.1 has moved to 9.4.5: LTS Haskell 21.1 (ghc-9.4.5) :: Stackage Server GHC developers expressed their feeling that 9.4.5 is a good release. It’s supported well by HLS too. What are your opinions? Are there still...

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