1/1: Building Issue794 (Issue794.idr)
Error: Impossible pattern gives an error:
Can't solve constraint between: ?_ ++ [?_] and ?x :: ?xs.

Issue794.idr:15:7--15:17
 11 | empty Empty impossible
 12 | 
 13 | 
 14 | snoc : SnocList (x :: xs) -> a
 15 | snoc (Snoc _ _ _) impossible
            ^^^^^^^^^^

Error: empty is not covering.

Issue794.idr:10:1--10:32
 06 |      Empty : SnocList []
 07 |      Snoc : (x : a) -> (xs : List a) ->
 08 |             (rec : SnocList xs) -> SnocList (xs ++ [x])
 09 | 
 10 | empty : SnocList (x :: xs) -> a
      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Missing cases:
    empty (Snoc m m m)