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26 lines
621 B
Plaintext
26 lines
621 B
Plaintext
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1/1: Building Issue794 (Issue794.idr)
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Error: Impossible pattern gives an error:
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Can't solve constraint between: ?_ ++ [?_] and ?x :: ?xs.
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Issue794.idr:15:7--15:17
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11 | empty Empty impossible
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12 |
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13 |
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14 | snoc : SnocList (x :: xs) -> a
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15 | snoc (Snoc _ _ _) impossible
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^^^^^^^^^^
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Error: empty is not covering.
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Issue794.idr:10:1--10:32
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06 | Empty : SnocList []
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07 | Snoc : (x : a) -> (xs : List a) ->
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08 | (rec : SnocList xs) -> SnocList (xs ++ [x])
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09 |
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10 | empty : SnocList (x :: xs) -> a
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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Missing cases:
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empty (Snoc m m m)
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