| Copyright | (c) 2016 Finn Teegen |
|---|---|
| License | BSD-3-clause |
| Maintainer | bjp@informatik.uni-kiel.de |
| Stability | experimental |
| Portability | portable |
| Safe Haskell | None |
| Language | Haskell2010 |
Checks.DeriveCheck
Description
Before entering derived instances into the instance environment, the compiler has to ensure that it is not asked for other instances than those of supported type classes.