From: sof <unknown>
Date: Sun, 24 Jan 1999 14:44:01 +0000 (+0000)
Subject: [project @ 1999-01-24 14:44:00 by sof]
X-Git-Tag: Approximately_9120_patches~6697
X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;h=dd52974ed63dc16f298dba0c8bcb10ec88b96f98;p=ghc-hetmet.git

[project @ 1999-01-24 14:44:00 by sof]
Moved ST <--> IO coercion functions from IOExts to ST (and LazyST) docs.
---

diff --git a/ghc/docs/libraries/IOExts.sgml b/ghc/docs/libraries/IOExts.sgml
index b2d1ddd..2af0789 100644
--- a/ghc/docs/libraries/IOExts.sgml
+++ b/ghc/docs/libraries/IOExts.sgml
@@ -58,12 +58,6 @@ simplified memoisation function:
 >		 return a
 </verb></tscreen>
 
-<item>
-Operations for coercing an <tt/ST/ action into an <tt/IO/ one, and
-vice versa are also provided. Notice that coercing an <tt/IO/ action
-into an <tt/ST/ action is 'lossy', since any exception raised within the
-<tt/IO/ action will not be caught within the <tt/ST/ monad, as it
-doesn't support (monadic) exceptions.
 </itemize>
 
 <tscreen><verb>
@@ -98,7 +92,5 @@ performGC           :: IO ()
 trace               :: String -> a -> a
 unsafePtrEq         :: a -> a -> Bool
 
-unsafeIOToST	    :: IO   a -> ST s a
-stToIO              :: ST s a -> IO a
 </verb></tscreen>
 
diff --git a/ghc/docs/libraries/ST.sgml b/ghc/docs/libraries/ST.sgml
index 1fdd760..3be2067 100644
--- a/ghc/docs/libraries/ST.sgml
+++ b/ghc/docs/libraries/ST.sgml
@@ -37,6 +37,9 @@ thawSTArray         :: Ix ix => Array ix elt -> ST s (STArray s ix elt)
 freezeSTArray       :: Ix ix => STArray s ix elt -> ST s (Array ix elt)
 unsafeFreezeSTArray :: Ix ix => STArray s ix elt -> ST s (Array ix elt)  
 instance Eq (STArray s ix elt)
+
+unsafeIOToST	    :: IO   a -> ST s a
+stToIO              :: ST s a -> IO a
 </verb></tscreen>
 
 Notes:
@@ -53,12 +56,6 @@ operation <tt/unsafeFreezeSTArray/ is a faster version of
 <tt/freezeSTArray/ which omits the copying step.  It's a safe substitute for
 <tt/freezeSTArray/ if you don't modify the mutable array after freezing it.
 
-<item>
-In the current version of Hugs, the <tt/<idx/runST// operation,
-used to specify encapsulation, is implemented as a language construct,
-and <tt/runST/ is treated as a keyword.  We plan to change this to match
-GHC soon.
-
 <!-- 
   <item>
      Note that it is possible to install Hugs 1.4 without support for lazy
@@ -76,4 +73,10 @@ places where it matters.  GHC implements LazyST and ST using different
 types, so this isn't possible.
 </item>
 
+<item>
+Operations for coercing an <tt/ST/ action into an <tt/IO/ one, and
+vice versa are also provided. Notice that coercing an <tt/IO/ action
+into an <tt/ST/ action is 'lossy', since any exception raised within the
+<tt/IO/ action will not be caught within the <tt/ST/ monad, as it
+doesn't support (monadic) exceptions.
 </itemize>