mirror of
https://github.com/idris-lang/Idris2.git
synced 2024-12-24 12:14:26 +03:00
24 lines
723 B
Plaintext
24 lines
723 B
Plaintext
1/1: Building Erase (Erase.idr)
|
|
Error: While processing left hand side of bad. Can't match on False (Erased argument).
|
|
|
|
Erase:5:5--5:10
|
|
1 | myReplace : forall p . (0 rule : x = y) -> (1 val : p y) -> p x
|
|
2 | myReplace Refl prf = prf
|
|
3 |
|
|
4 | bad : (0 x : Bool) -> Bool
|
|
5 | bad False = True
|
|
^^^^^
|
|
|
|
Error: While processing left hand side of minusBad. Can't match on LeZ (Erased argument).
|
|
|
|
Erase:19:18--19:21
|
|
15 | minus (S k) (S j) (LeS p) = minus k j p
|
|
16 |
|
|
17 | -- y is used in the run time case tree, so erasure not okay
|
|
18 | minusBad : (x : Nat) -> (0 y : Nat) -> (0 prf : LT y x) -> Nat
|
|
19 | minusBad (S k) Z LeZ = S k
|
|
^^^
|
|
|
|
Main> \m => minus (S (S m)) m prf
|
|
Main> Bye for now!
|