[commit: ghc] master: Clarify that declaration splices exist at top level only. (#9880) (53599b3)
git at git.haskell.org
git at git.haskell.org
Fri Dec 19 15:02:17 UTC 2014
Repository : ssh://git@git.haskell.org/ghc
On branch : master
Link : http://ghc.haskell.org/trac/ghc/changeset/53599b3f515227f3407991913781fc8ea79d9638/ghc
>---------------------------------------------------------------
commit 53599b3f515227f3407991913781fc8ea79d9638
Author: Richard Eisenberg <eir at cis.upenn.edu>
Date: Tue Dec 16 17:21:42 2014 -0500
Clarify that declaration splices exist at top level only. (#9880)
>---------------------------------------------------------------
53599b3f515227f3407991913781fc8ea79d9638
docs/users_guide/glasgow_exts.xml | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/docs/users_guide/glasgow_exts.xml b/docs/users_guide/glasgow_exts.xml
index a502262..86ceb06 100644
--- a/docs/users_guide/glasgow_exts.xml
+++ b/docs/users_guide/glasgow_exts.xml
@@ -9015,11 +9015,13 @@ Wiki page</ulink>.
have type <literal>Q Pat</literal></para></listitem>
<listitem><para> a type; the spliced expression must
have type <literal>Q Type</literal></para></listitem>
- <listitem><para> a list of declarations; the spliced expression
+ <listitem><para> a list of declarations at top level; the spliced expression
must have type <literal>Q [Dec]</literal></para></listitem>
</itemizedlist>
Inside a splice you can only call functions defined in imported modules,
- not functions defined elsewhere in the same module.</para></listitem>
+ not functions defined elsewhere in the same module. Note that
+ declaration splices are not allowed anywhere except at top level
+ (outside any other declarations).</para></listitem>
<listitem><para>
A expression quotation is written in Oxford brackets, thus:
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