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T13233.hs:14:11: error:
Cannot use function with levity-polymorphic arguments:
(#,#) :: a -> a -> (# a, a #)
(Note that levity-polymorphic primops such as 'coerce' and unboxed tuples
are eta-expanded internally because they must occur fully saturated.
Use -fprint-typechecker-elaboration to display the full expression.)
Levity-polymorphic arguments:
a :: TYPE rep
a :: TYPE rep
T13233.hs:22:16: error:
Cannot use function with levity-polymorphic arguments:
(#,#) :: a -> b -> (# a, b #)
(Note that levity-polymorphic primops such as 'coerce' and unboxed tuples
are eta-expanded internally because they must occur fully saturated.
Use -fprint-typechecker-elaboration to display the full expression.)
Levity-polymorphic arguments:
a :: TYPE rep1
b :: TYPE rep2
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