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T10194.hs:7:8: error: [GHC-91028]
• Couldn't match type ‘b0’ with ‘X’
Expected: (X -> c) -> (a -> X) -> a -> c
Actual: (b0 -> c) -> (a -> b0) -> a -> c
Cannot instantiate unification variable ‘b0’
with a type involving polytypes: X
• In the expression: (.)
In an equation for ‘comp’: comp = (.)
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