SCase98.stderr

SCase98.hs:12:16: error: [GHC-39584]
    " sCase: Non-exhaustive match:
        Type       : Maybe
        Constructor: Just v | v .> 0
      NB. Guarded match might fail.

    " In the quasi-quotation:
        [sCase| e of
                Zero      -> case m of
                               Just v | v .> 0 -> v
                Num k     -> k
                Var _     -> -1
                Add a b   -> t a m + t b m
                Let _ _ b -> t b m
       |]
   |
12 | t e m = [sCase| e of
   |                ^^^^^...