Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/src/prelude/Array/AIndex.hs

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
Download the Plan 9 distribution.


module Array where

import Ix
import DArray
import NHC.IOExtras

infixl 9  !

-- primIndex primitive 2 :: Vector a -> Int -> a
foreign import ccall "primVectorIndexC" primIndex :: Vector a -> Int -> a


(!)                   :: (Ix a) => Array a b -> a -> b
(!) (MkArray b v) i   =  primIndex v (index b i)


Bell Labs OSI certified Powered by Plan 9

(Return to Plan 9 Home Page)

Copyright © 2021 Plan 9 Foundation. All Rights Reserved.
Comments to webmaster@9p.io.