diff options
Diffstat (limited to 'src/Data.hs')
| -rw-r--r-- | src/Data.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/Data.hs b/src/Data.hs index c5d6219..1371902 100644 --- a/src/Data.hs +++ b/src/Data.hs @@ -80,6 +80,10 @@ type family n + m where Z + m = m S n + m = S (n + m) +snatAdd :: SNat n -> SNat m -> SNat (n + m) +snatAdd SZ m = m +snatAdd (SS n) m = SS (snatAdd n m) + lemPlusSuccRight :: n + S m :~: S (n + m) lemPlusSuccRight = unsafeCoerceRefl |