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T10715b.hs:7:7: error: [GHC-10283]
• Couldn't match representation of type ‘b0’ with that of ‘[b0]’
arising from a use of ‘coerce’
• In the first argument of ‘asTypeOf’, namely ‘coerce’
In the expression: coerce `asTypeOf` head
In an equation for ‘foo’: foo = coerce `asTypeOf` head
• Relevant bindings include
foo :: [b0] -> b0 (bound at T10715b.hs:7:1)
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