[project @ 1996-01-18 16:33:17 by partain]

[ghc-hetmet.git] / ghc / lib / prelude / ITup3.hs

diff --git a/ghc/lib/prelude/ITup3.hs b/ghc/lib/prelude/ITup3.hs
index 24e8f86..58fd802 100644 (file)
--- a/ghc/lib/prelude/ITup3.hs
+++ b/ghc/lib/prelude/ITup3.hs
@@ -11,6 +11,8 @@ import List           ( (++), foldr )
 import Prel            ( (&&), (.) )
 import PS              ( _PackedString, _unpackPS )
 import Text
+import TyArray
+import TyComplex
 
 instance (Eq a, Eq b, Eq c) => Eq (a, b, c) where
     (a1,a2,a3) == (b1,b2,b3) = a1 == b1 && a2 == b2 && a3 == b3
@@ -58,16 +60,23 @@ instance  (Ix a1, Ix a2, Ix a3) => Ix (a1,a2,a3)  where
 instance (Text a, Text b, Text c) => Text (a, b, c) where
     readsPrec p = readParen False
                        (\a -> [((x,y,z), h) | ("(",b) <- lex a,
-                                              (x,c)   <- reads b,
+                                              (x,c)   <- readsPrec 0 b,
                                               (",",d) <- lex c,
-                                              (y,e)   <- reads d,
+                                              (y,e)   <- readsPrec 0 d,
                                               (",",f) <- lex e,
-                                              (z,g)   <- reads f,
+                                              (z,g)   <- readsPrec 0 f,
                                               (")",h) <- lex g ] )
 
-    showsPrec p (x,y,z) = showChar '(' . shows x . showString ", " .
-                                        shows y . showString ", " .
-                                        shows z . showChar ')'
+    showsPrec p (x,y,z) = showChar '(' . showsPrec 0 x . showString ", " .
+                                        showsPrec 0 y . showString ", " .
+                                        showsPrec 0 z . showChar ')'
+
+    readList   = _readList (readsPrec 0)
+    showList   = _showList (showsPrec 0) 
+
+{-# SPECIALIZE instance Eq   (Int,Int,Int) #-}
+{-# SPECIALIZE instance Ord  (Int,Int,Int) #-}
+{-# SPECIALIZE instance Text (Int,Int,Int) #-}
 
 #if defined(__UNBOXED_INSTANCES__)