testsuite/tests/gadt/T7294.stderr


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T7294.hs:25:5: Warning:
    Couldn't match type ‘'False’ with ‘'True’
    Inaccessible code in
      a pattern with constructor
        Nil :: forall a. Vec a 'Zero,
      in an equation for ‘nth’
    In the pattern: Nil
    In an equation for ‘nth’: nth Nil _ = undefined