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Document the fact that impredicative polymorphism is deprecated
author
simonpj@microsoft.com
<unknown>
Tue, 3 Nov 2009 13:33:44 +0000
(13:33 +0000)
committer
simonpj@microsoft.com
<unknown>
Tue, 3 Nov 2009 13:33:44 +0000
(13:33 +0000)
Merge to 6.12
docs/users_guide/glasgow_exts.xml
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diff --git
a/docs/users_guide/glasgow_exts.xml
b/docs/users_guide/glasgow_exts.xml
index
0988279
..
6910a59
100644
(file)
--- a/
docs/users_guide/glasgow_exts.xml
+++ b/
docs/users_guide/glasgow_exts.xml
@@
-5684,6
+5684,9
@@
for rank-2 types.
<sect2 id="impredicative-polymorphism">
<title>Impredicative polymorphism
</title>
<sect2 id="impredicative-polymorphism">
<title>Impredicative polymorphism
</title>
+<para><emphasis>NOTE: the impredicative-polymorphism feature is deprecated in GHC 6.12, and
+will be removed or replaced in GHC 6.14.</emphasis></para>
+
<para>GHC supports <emphasis>impredicative polymorphism</emphasis>,
enabled with <option>-XImpredicativeTypes</option>.
This means
<para>GHC supports <emphasis>impredicative polymorphism</emphasis>,
enabled with <option>-XImpredicativeTypes</option>.
This means