testsuite/tests/typecheck/should_fail/tcfail201.stderr


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tcfail201.hs:17:27:
    Couldn't match expected type `a' with actual type `HsDoc t0'
      `a' is a rigid type variable bound by
          the type signature for
            gfoldl' :: (forall a1 b. c (a1 -> b) -> a1 -> c b)
                       -> (forall g. g -> c g) -> a -> c a
          at tcfail201.hs:15:12
    In the pattern: DocEmpty
    In a case alternative: DocEmpty -> z DocEmpty
    In the expression:
      case hsDoc of {
        DocEmpty -> z DocEmpty
        (DocParagraph hsDoc) -> z DocParagraph `k` hsDoc }