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T11142.hs:9:49: error:
• Expected kind ‘k’, but ‘b’ has kind ‘k0’
because kind variable ‘k’ would escape its scope
This (rigid, skolem) kind variable is bound by
‘forall k (a :: k). SameKind a b’
at T11142.hs:9:19-49
• In the second argument of ‘SameKind’, namely ‘b’
In the type signature:
foo :: forall b. (forall k (a :: k). SameKind a b) -> ()
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