2 tcfail023.hs:2: Duplicate or overlapping instance declarations
4 at tcfail023.hs:8 and tcfail023.hs:11
6 tcfail023.hs:2: Duplicate or overlapping instance declarations
8 at tcfail023.hs:8 and tcfail023.hs:11
10 tcfail023.hs:11: Couldn't match the type
11 `B' against `PrelBase.Bool'
13 Inferred: `PrelBase.Bool'
14 In an equation for function `op':
15 `op C = PrelBase.True'
17 tcfail023.hs:8: Couldn't match the type
18 `B' against `PrelBase.Bool'
20 Inferred: `PrelBase.Bool'
21 In an equation for function `op':
22 `op C = PrelBase.True'
24 tcfail023.hs:2: Module Main must include a definition for `Main.main'
27 Compilation had errors