unamb 0.1.4 → 0.1.5

raw patch · 2 files changed

+15/−5 lines, 2 filesPVP ok

version bump matches the API change (PVP)

API changes (from Hackage documentation)

Files

src/Data/Unamb.hs +14/−4
unamb.cabal +1/−1

src/Data/Unamb.hs view

@@ -117,10 +117,20 @@ -- | Commutative operation with annihilator, in parallel.  For instance, -- '(*)'/0, '(&&)'/'False', '(||)'/'True', 'min'/'minBound', 'max'/'maxBound'. parAnnihilator :: Eq a => (a -> a -> a) -> a -> (a -> a -> a)-parAnnihilator op ann = parCommute op'- where-   op' u v | u == ann  = u-           | otherwise = op u v++-- parAnnihilator op ann = parCommute op'+--  where+--    op' u v | u == ann  = u+--            | otherwise = op u v++-- The parCommute version can waste work while trying the two orderings.+-- In the following version, one branch tries just one annihilator test.++parAnnihilator op ann x y =+  assuming (x == ann) ann `unamb`+  (if y == ann then ann else x `op` y)++  -- | Parallel min with minBound short-circuit pmin :: (Ord a, Bounded a) => a -> a -> a

unamb.cabal view

@@ -1,5 +1,5 @@ Name:                unamb-Version:             0.1.4+Version:             0.1.5 Cabal-Version:       >= 1.2 Synopsis:            Unambiguous choice Category:            Concurrency, Data, Other