testsuite/tests/deriving/should_fail/T7959.stderr


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T7959.hs:5:1:
    Cannot derive instances for nullary classes
    In the stand-alone deriving instance for ‘A’

T7959.hs:6:17:
    Expected kind ‘k0 -> Constraint’, but ‘A’ has kind ‘Constraint’
    In the data declaration for ‘B’