From: simonmar <unknown>
Date: Wed, 27 Feb 2002 10:29:12 +0000 (+0000)
Subject: [project @ 2002-02-27 10:26:13 by simonmar]
X-Git-Tag: Approx_11550_changesets_converted~2347
X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;h=90cdb78726795320190f5dac8e82c4f0a068014a;hp=2a966c8ed5b083a6b33f61dc002ff5a62e79b2f8;p=ghc-hetmet.git

[project @ 2002-02-27 10:26:13 by simonmar]
Expand on the behaviour of fromIntegral a bit.
---

diff --git a/ghc/docs/users_guide/vs_haskell.sgml b/ghc/docs/users_guide/vs_haskell.sgml
index 5ad9f98..87c6b9c 100644
--- a/ghc/docs/users_guide/vs_haskell.sgml
+++ b/ghc/docs/users_guide/vs_haskell.sgml
@@ -220,6 +220,15 @@ main = print (array (1,1) [(1,2), (1,3)])</programlisting>
 	  arithmetic).  This behaviour was chosen so that for example
 	  writing <literal>0xffffffff :: Int</literal> preserves the
 	  bit-pattern in the resulting <literal>Int</literal>.</para>
+
+	  <para>The <literal>fromIntegral</literal> function also
+	  preserves bit-patterns when converting between the sized
+	  integral types (<literal>Int8</literal>,
+	  <literal>Int16</literal>, <literal>Int32</literal>,
+	  <literal>Int64</literal> and the unsigned
+	  <literal>Word</literal> variants), see <xref
+	  linkend="sec-Int"> and <xref linkend="sec-Word">.</para>
+
 	</listitem>
       </varlistentry>