blob: 337e39d7e8766d02d4a8f463a7acd05754dc4860 (
plain)
1
2
3
4
5
6
7
|
gadtSyntaxFail002.hs:8:5:
Data constructor ‛C2’ has existential type variables, a context, or a specialised result type
C2 :: forall a. a -> Char -> Foo a a
(Use ExistentialQuantification or GADTs to allow this)
In the definition of data constructor ‛C2’
In the data declaration for ‛Foo’
|
