Binding a GADT constructor in let doesn't work #548
Merged
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
BinderDavid
approved these changes
Nov 2, 2024
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
People sometimes run into this (e.g. here), and the fix is quite non-obvious from the error message. I thought it might be good to expand the pages for the relevant error messages with a relevant example; the existing ones are for very different situations.
I found it very amusing that I needed to edit the pages for two error messages, because the generated error depends on whether
-XTypeFamiliesis active.The text here is kind of stub; I didn't have time to write an in-depth description. Feel free to improve. But hopefully this is already useful.