Add GHC-02550 documentation #503
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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 |
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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 | ||
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| Quantified constraints are constraints which have their own constraints. The |
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This could benefit from a link to GHC manual and/or mentioning relevant language extensions.
Bodigrim
approved these changes
Mar 26, 2025
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Thanks! |
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