boostorg/mpl
1
0
Fork 1
mirror of https://github.com/boostorg/mpl.git synced 2025-08-03 23:04:33 +02:00
Code Issues Packages Projects Releases Wiki Activity

Changes needed to make it work when the nested type is void.

Browse Source 
[SVN r16169]
This commit is contained in:
Dave Abrahams
2002-11-09 02:25:38 +00:00
parent 86be3ece35
commit f4f99d8a75
1 changed files with 20 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
include/boost/mpl/aux_/has_xxx.hpp
View File

@@ -34,8 +34,8 @@
template< typename T > \ template< typename T > \
boost::mpl::aux::yes_tag \ boost::mpl::aux::yes_tag \
has_##name##_helper( \ has_##name##_helper( \
boost::mpl::aux::type_wrapper<T>* \ T const volatile* \
, void (*)(BOOST_MSVC_TYPENAME T::name) = 0 \ , boost::mpl::aux::type_wrapper<BOOST_MSVC_TYPENAME T::name>* = 0 \
); \ ); \
\ \
boost::mpl::aux::no_tag has_##name##_helper( \ boost::mpl::aux::no_tag has_##name##_helper( \
@@ -46,7 +46,7 @@ template< typename T >
struct has_##name \ struct has_##name \
{ \ { \
BOOST_STATIC_CONSTANT(bool, value = \ BOOST_STATIC_CONSTANT(bool, value = \
sizeof((has_##name##_helper)((boost::mpl::aux::type_wrapper<T>*)0)) \ sizeof((has_##name##_helper)((T*)0)) \
== sizeof(boost::mpl::aux::yes_tag) \ == sizeof(boost::mpl::aux::yes_tag) \
); \ ); \
}; \ }; \