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Diffstat (limited to 'docs/users_guide')
| -rw-r--r-- | docs/users_guide/9.8.1-notes.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/docs/users_guide/9.8.1-notes.rst b/docs/users_guide/9.8.1-notes.rst index 6d94368456..11a73c3332 100644 --- a/docs/users_guide/9.8.1-notes.rst +++ b/docs/users_guide/9.8.1-notes.rst @@ -26,6 +26,16 @@ Runtime system ``base`` library ~~~~~~~~~~~~~~~~ +``template-haskell`` library +~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +- The constructors ``InstanceD`` and ``StandaloneDerivD`` now take one extra + argument, of type ``Maybe (TyVarBndr ())``, in order to handle + instances with user-written quantification, such as: :: + + instance forall k (a :: k). C a + deriving instance forall k (a :: k). D a + ``ghc-prim`` library ~~~~~~~~~~~~~~~~~~~~ |