Add GHC-02550 documentation #503
Open
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
Bodigrim
reviewed
Feb 2, 2025
| title: Quantified predicate must have a class or type variable head | ||
| summary: The head of a quantified constraint must be either a class or a type variable | ||
| severity: error | ||
| introduced: 9.4.1 |
There was a problem hiding this comment.
IIRC error message numbers were introduced only in 9.6, so it's the minimum version we use for introduced fiels (even if the warning existed much earlier)
Suggested change
| introduced: 9.4.1 | |
| introduced: 9.6.1 |
Bodigrim
reviewed
Feb 2, 2025
| introduced: 9.4.1 | ||
| --- | ||
|
|
||
| Quantified constraints are constraints which have their own constraints. The |
There was a problem hiding this comment.
This could benefit from a link to GHC manual and/or mentioning relevant language extensions.
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Outdated suggestions cannot be applied.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.
No description provided.