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Diffstat (limited to 'testsuite/tests/module/T1148.hs')
-rw-r--r-- | testsuite/tests/module/T1148.hs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/testsuite/tests/module/T1148.hs b/testsuite/tests/module/T1148.hs new file mode 100644 index 0000000000..c6758e580b --- /dev/null +++ b/testsuite/tests/module/T1148.hs @@ -0,0 +1,19 @@ +{-# OPTIONS_GHC -XFlexibleContexts -fwarn-unused-imports #-}
+
+module ArrayBoundedU
+ ( T
+ , create
+ , at
+ ) where
+
+import Data.Ix
+import qualified Data.Array.Unboxed as Array
+import Data.Array.Base (unsafeAt)
+
+newtype T i e = T (Array.UArray i e)
+
+create :: (Ix i, Bounded i, Array.IArray Array.UArray e) => [(i,e)] -> T i e
+create ies = T (Array.array (minBound, maxBound) ies)
+
+at :: (Ix i, Bounded i, Array.IArray Array.UArray e) => T i e -> i -> e
+at (T a) i = unsafeAt a (index (minBound, maxBound) i)
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