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Diffstat (limited to 'libraries/base/changelog.md')
| -rw-r--r-- | libraries/base/changelog.md | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libraries/base/changelog.md b/libraries/base/changelog.md index d25888e7fb..bc55cc4977 100644 --- a/libraries/base/changelog.md +++ b/libraries/base/changelog.md @@ -20,6 +20,10 @@ * Add `COMPLETE` pragmas to the `TypeRep`, `SSymbol`, `SChar`, and `SNat` pattern synonyms. ([CLC proposal #149](https://github.com/haskell/core-libraries-committee/issues/149)) * Make `($)` representation polymorphic ([CLC proposal #132](https://github.com/haskell/core-libraries-committee/issues/132)) + * Implemented [GHC Proposal #433](https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0433-unsatisfiable.rst), + adding the class `Unsatisfiable :: ErrorMessage -> TypeError`` to `GHC.TypeError`, + which provides a mechanism for custom type errors that reports the errors in + a more predictable behaviour than ``TypeError``. ## 4.18.0.0 *March 2023* * Shipped with GHC 9.6.1 |