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extend.texi (Bound member functions): Document unbound pmf conversion.
author
Martin v. Löwis
<loewis@gcc.gnu.org>
Tue, 21 Sep 1999 19:34:59 +0000
(19:34 +0000)
committer
Martin v. Löwis
<loewis@gcc.gnu.org>
Tue, 21 Sep 1999 19:34:59 +0000
(19:34 +0000)
* extend.texi (Bound member functions): Document unbound pmf
conversion.
From-SVN: r29558
gcc/extend.texi
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diff --git
a/gcc/extend.texi
b/gcc/extend.texi
index
4ec451d
..
82e9559
100644
(file)
--- a/
gcc/extend.texi
+++ b/
gcc/extend.texi
@@
-3749,5
+3749,13
@@
typedef int (*fptr)(A *);
fptr p = (fptr)(a.*fp);
@end example
+For PMF constants (i.e. expressions of the form @samp{&Klasse::Member}),
+no object is needed to obtain the address of the function. They can be
+converted to function pointers directly:
+
+@example
+fptr p1 = (fptr)(&A::foo);
+@end example
+
You must specify @samp{-Wno-pmf-conversions} to use this extension.