From cbda266091d45e564fc91462856e4f0571d18aca Mon Sep 17 00:00:00 2001 From: Tom Smeding Date: Mon, 3 Jun 2024 18:09:36 +0200 Subject: Some more generators for tests --- src/Data/Array/Mixed/Types.hs | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'src/Data/Array/Mixed') diff --git a/src/Data/Array/Mixed/Types.hs b/src/Data/Array/Mixed/Types.hs index 52201df..35e6fd3 100644 --- a/src/Data/Array/Mixed/Types.hs +++ b/src/Data/Array/Mixed/Types.hs @@ -18,7 +18,7 @@ module Data.Array.Mixed.Types ( -- * Type-level naturals pattern SZ, pattern SS, - fromSNat', + fromSNat', sameNat', snatPlus, snatMul, -- * Type-level lists @@ -46,6 +46,9 @@ data Dict c a where fromSNat' :: SNat n -> Int fromSNat' = fromIntegral . fromSNat +sameNat' :: SNat n -> SNat m -> Maybe (n :~: m) +sameNat' n@SNat m@SNat = sameNat n m + pattern SZ :: () => (n ~ 0) => SNat n pattern SZ <- ((\sn -> testEquality sn (SNat @0)) -> Just Refl) where SZ = SNat -- cgit v1.2.3-70-g09d2