testsuite/tests/typecheck/should_fail/T12102b.stderr


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T12102b.hs:21:25: error:
    • Couldn't match expected kind ‘'True’
                  with actual kind ‘IsTypeLit a0’
      The type variable ‘a0’ is ambiguous
    • In the first argument of ‘Show’, namely ‘(T a)’
      In the stand-alone deriving instance for ‘Show (T a)’