hw-prim-0.3.0.1: src/HaskellWorks/Data/AtIndex.hs

{-# LANGUAGE FlexibleInstances   #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE TypeFamilies        #-}

module HaskellWorks.Data.AtIndex
    ( Container(..)
    , AtIndex(..)
    , Length(..)
    ) where

import qualified Data.ByteString               as BS
import           Data.Int
import qualified Data.Vector                   as DV
import qualified Data.Vector.Storable          as DVS
import           Data.Word
import           HaskellWorks.Data.Length
import           HaskellWorks.Data.Positioning

class Length v => AtIndex v where
  (!!!)   :: v -> Position -> Elem v
  atIndex :: v -> Position -> Elem v

instance AtIndex [a] where
  (!!!)   v i = v !! fromIntegral i
  atIndex v i = v !! fromIntegral i
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex BS.ByteString where
  (!!!)   v i = v `BS.index` fromIntegral i
  atIndex v i = BS.index v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex (DV.Vector Word8) where
  (!!!)   v i = v DV.! fromIntegral i
  atIndex v i = DV.unsafeIndex v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex (DV.Vector Word16) where
  (!!!)   v i = v DV.! fromIntegral i
  atIndex v i = DV.unsafeIndex v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex (DV.Vector Word32) where
  (!!!)   v i = v DV.! fromIntegral i
  atIndex v i = DV.unsafeIndex v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex (DV.Vector Word64) where
  (!!!)   v i = v DV.! fromIntegral i
  atIndex v i = DV.unsafeIndex v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex (DVS.Vector Word8) where
  (!!!)   v i = v DVS.! fromIntegral i
  atIndex v i = DVS.unsafeIndex v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex (DVS.Vector Word16) where
  (!!!)   v i = v DVS.! fromIntegral i
  atIndex v i = DVS.unsafeIndex v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex (DVS.Vector Word32) where
  (!!!)   v i = v DVS.! fromIntegral i
  atIndex v i = DVS.unsafeIndex v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex (DVS.Vector Word64) where
  (!!!)   v i = v DVS.! fromIntegral i
  atIndex v i = DVS.unsafeIndex v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex (DV.Vector Int8) where
  (!!!)   v i = v DV.! fromIntegral i
  atIndex v i = DV.unsafeIndex v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex (DV.Vector Int16) where
  (!!!)   v i = v DV.! fromIntegral i
  atIndex v i = DV.unsafeIndex v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex (DV.Vector Int32) where
  (!!!)   v i = v DV.! fromIntegral i
  atIndex v i = DV.unsafeIndex v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex (DV.Vector Int64) where
  (!!!)   v i = v DV.! fromIntegral i
  atIndex v i = DV.unsafeIndex v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex (DVS.Vector Int8) where
  (!!!)   v i = v DVS.! fromIntegral i
  atIndex v i = DVS.unsafeIndex v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex (DVS.Vector Int16) where
  (!!!)   v i = v DVS.! fromIntegral i
  atIndex v i = DVS.unsafeIndex v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex (DVS.Vector Int32) where
  (!!!)   v i = v DVS.! fromIntegral i
  atIndex v i = DVS.unsafeIndex v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex (DVS.Vector Int64) where
  (!!!)   v i = v DVS.! fromIntegral i
  atIndex v i = DVS.unsafeIndex v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}

instance AtIndex (DVS.Vector Int) where
  (!!!)   v i = v DVS.! fromIntegral i
  atIndex v i = DVS.unsafeIndex v (fromIntegral i)
  {-# INLINE (!!!)   #-}
  {-# INLINE atIndex #-}