• Ningning Xie's avatar
    Fix StandaloneDeriving · 86753475
    Ningning Xie authored
    If I understand correctly, `deriving instance _ => Eq (Foo a)`
    is equivalent to `data Foo a deriving Eq`, rather than
    `data Foo a deriving Foo`.
    86753475
Code owners : Ben Gamari
glasgow_exts.rst 601 KB