error-message-index
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haskellfoundation
A community-driven collection of documentation for Haskell error messages and warnings
Cp. the discussion here: https://discourse.haskell.org/t/what-are-you-supposed-to-do-about-wambiguous-fields/9545/16 Fixes #474
I am opening an issue that this error is undocumented as requested by the errors.haskell.org homepage. The full error looks something like this: ``` redacted-file.hs:395:7: error: [GHC-02256] [-Wambiguous-fields, Werror=ambiguous-fields] Ambiguous...
This is a promotional tool for recruiting more contributors by having them "adopt" undocumented error messages. I will collect a selection of undocumented errors, create index cards for them, and...
For this example code - ```haskell {-# LANGUAGE GADTs #-} data HList a where HNil :: HList () HCons :: head -> HList tail -> HList (head, tail) exampleHList ::...
For this example code - ```haskell {-# LANGUAGE GADTs #-} data HList a where HNil :: HList () HCons :: head -> HList tail -> HList (head, tail) exampleHList ::...
As the title says! It'd be good to have an explanation for this one.
This link ([`The Haskell Error Index »`](https://github.com/haskellfoundation/error-message-index/blob/main/message-index/templates/default.html#L20)) in all the message pages I've visited just refreshes the page, instead of going back to the message index. The code says there should...
* generate "Not documented" stub pages for known GHC error codes This is done by using `GHC.Types.Error.Codes.constructorCodes` by @sheaf from https://gitlab.haskell.org/ghc/ghc/-/merge_requests/10857 and making an `index.md` for each code using a...
A user [posted an error message containing an error code](https://discourse.haskell.org/t/cabal-quickstart-with-hls-pains/6867). It just so happens that it's `GHC-32850` (although the specific code doesn't matter for this issue). Google returns exactly one...
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A community-driven collection of documentation for Haskell error messages and warnings