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changed is_empty to not use is_convertible with g++

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[SVN r7841]
This commit is contained in:
Jeremy Siek
2000-09-26 07:41:33 +00:00
parent 0297cf6e6c
commit 92d842b45b
1 changed files with 7 additions and 0 deletions
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7
include/boost/detail/type_traits.hpp
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@ -543,8 +543,15 @@ template <typename T> struct is_empty
private:
typedef typename remove_cv<T>::type cvt;
public:
#ifdef __GNUC__
// is_convertible gives a warning for g++
static const bool value = ::boost::detail::empty_helper<T, is_class<T>::value , false>::value
|| BOOST_IS_EMPTY(cvt);
#else
static const bool value = ::boost::detail::empty_helper<T, is_class<T>::value , is_convertible<T,int>::value>::value
|| BOOST_IS_EMPTY(cvt);
#endif
};
//*? T has trivial default constructor (allows cv-qual)