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T10438.hs:7:22: warning:
• Found type wildcard ‘_’ standing for ‘t2’
Where: ‘t2’ is a rigid type variable bound by
the inferred type of g :: t2 -> t2 at T10438.hs:6:9
• In the type signature:
x :: _
In an equation for ‘g’:
g r
= x
where
x :: _
x = r
In an equation for ‘foo’:
foo f
= g
where
g r
= x
where
x :: _
x = r
• Relevant bindings include
x :: t2 (bound at T10438.hs:8:17)
r :: t2 (bound at T10438.hs:6:11)
g :: t2 -> t2 (bound at T10438.hs:6:9)
f :: t (bound at T10438.hs:5:5)
foo :: t -> forall t1. t1 -> t1 (bound at T10438.hs:5:1)
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