blob: 7ba149a36b40f13675c322450b9eeca33f94453e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
|
<interactive>:10:1: error:
Unsafe overlapping instances for Pos [Int]
arising from a use of ‘res’
The matching instance is:
instance [overlapping] [safe] Pos [Int]
-- Defined at <interactive>:8:30
It is compiled in a Safe module and as such can only
overlap instances from the same module, however it
overlaps the following instances from different modules:
instance [safe] Pos [a] -- Defined at P13_A.hs:6:10
In the expression: res [1 :: Int, 2 :: Int]
In an equation for ‘it’: it = res [1 :: Int, 2 :: Int]
|