diff options
Diffstat (limited to 'dev-haskell/hps/files/hps-0.15-ghc84.patch')
| -rw-r--r-- | dev-haskell/hps/files/hps-0.15-ghc84.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/dev-haskell/hps/files/hps-0.15-ghc84.patch b/dev-haskell/hps/files/hps-0.15-ghc84.patch new file mode 100644 index 000000000000..cbc67705459a --- /dev/null +++ b/dev-haskell/hps/files/hps-0.15-ghc84.patch @@ -0,0 +1,28 @@ +--- a/Graphics/PS/PS.hs ++++ b/Graphics/PS/PS.hs +@@ -14,2 +14,3 @@ import qualified Graphics.PS.Paper as P + import qualified Graphics.PS.Image as I ++import qualified Data.Semigroup as S + +@@ -248,2 +249,6 @@ newtype MonadMonoid m = MonadMonoid {appMonadMonoid :: m ()} + ++instance Monad m => S.Semigroup (MonadMonoid m) where ++ (<>) (MonadMonoid a) (MonadMonoid b) = ++ MonadMonoid (a >> b) ++ + instance Monad m => Monoid (MonadMonoid m) where +--- a/Graphics/PS/Statistics.hs ++++ b/Graphics/PS/Statistics.hs +@@ -6,2 +6,3 @@ import Graphics.PS.Image + import Graphics.PS.Path ++import qualified Data.Semigroup as S + +@@ -16,2 +17,8 @@ data Statistics = Statistics {nMoveTo :: Integer + ++instance S.Semigroup Statistics where ++ (<>) p q = ++ let (Statistics m1 l1 c1 f1 g1 t1) = p ++ (Statistics m2 l2 c2 f2 g2 t2) = q ++ in Statistics (m1+m2) (l1+l2) (c1+c2) (f1+f2) (g1+g2) (t1+t2) ++ + instance Monoid Statistics where |