blob: b581657d3c7dc8e87819ecd04c89e82a88957b5f (
plain)
1
2
3
4
5
6
7
|
<interactive>:1:1: error:
• Non type-variable argument
in the constraint: Num (t2 -> t1 -> t3)
(Use FlexibleContexts to permit this)
• When checking the inferred type
it :: forall t1 t2 t3. (Num t1, Num (t2 -> t1 -> t3)) => t3
|