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Use explicit operator bool when available; add nullptr support to shared_ptr. Refs #4116.

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[SVN r81780]
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Peter Dimov committed 2012-12-08 00:51:59 +00:00
1 parent 7a4ad75f5d
commit 8093967da7
9 files changed
+386 -3
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include/boost/smart_ptr/intrusive_ptr.hpp
+24
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@@ -218,6 +218,30 @@ template<class T> inline bool operator!=(intrusive_ptr<T> const & a, intrusive_p
#endif
#if !defined( BOOST_NO_CXX11_NULLPTR )
template<class T> inline bool operator==( intrusive_ptr<T> const & p, std::nullptr_t ) BOOST_NOEXCEPT
{
return p.get() == 0;
}
template<class T> inline bool operator==( std::nullptr_t, intrusive_ptr<T> const & p ) BOOST_NOEXCEPT
{
return p.get() == 0;
}
template<class T> inline bool operator!=( intrusive_ptr<T> const & p, std::nullptr_t ) BOOST_NOEXCEPT
{
return p.get() != 0;
}
template<class T> inline bool operator!=( std::nullptr_t, intrusive_ptr<T> const & p ) BOOST_NOEXCEPT
{
return p.get() != 0;
}
#endif
template<class T> inline bool operator<(intrusive_ptr<T> const & a, intrusive_ptr<T> const & b)
{
return std::less<T *>()(a.get(), b.get());