-%ilter
+%
+% (c) The University of Glasgow 2006
% (c) The AQUA Project, Glasgow University, 1994-1998
%
-\section[UniqFM]{Specialised finite maps, for things with @Uniques@}
+
+UniqFM: Specialised finite maps, for things with @Uniques@
Based on @FiniteMaps@ (as you would expect).
(A similar thing to @UniqSet@, as opposed to @Set@.)
\begin{code}
+{-# OPTIONS -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+-- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
+
module UniqFM (
UniqFM, -- abstract type
import FastTypes
import Outputable
-import GLAEXTS -- Lots of Int# operations
+import GHC.Exts -- Lots of Int# operations
\end{code}
%************************************************************************
#if __GLASGOW_HASKELL__
{-# INLINE shiftL_ #-}
{-# INLINE shiftR_ #-}
-#if __GLASGOW_HASKELL__ >= 503
shiftL_ n p = word2Int#((int2Word# n) `uncheckedShiftL#` p)
-#else
-shiftL_ n p = word2Int#((int2Word# n) `shiftL#` p)
-#endif
-shiftR_ n p = word2Int#((int2Word# n) `shiftr` p)
- where
-#if __GLASGOW_HASKELL__ >= 503
- shiftr x y = uncheckedShiftRL# x y
-#else
- shiftr x y = shiftRL# x y
-#endif
+shiftR_ n p = word2Int#((int2Word# n) `uncheckedShiftRL#` p)
#else /* not GHC */
shiftL_ n p = n * (2 ^ p)