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

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[SVN r81780]
This commit is contained in:
Peter Dimov
2012-12-08 00:51:59 +00:00
parent 7a4ad75f5d
commit 8093967da7
9 changed files with 386 additions and 3 deletions
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include/boost/smart_ptr/shared_array.hpp
+24
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@@ -243,6 +243,30 @@ template<class T> inline bool operator!=(shared_array<T> const & a, shared_array
return a.get() != b.get();
}
#if !defined( BOOST_NO_CXX11_NULLPTR )
template<class T> inline bool operator==( shared_array<T> const & p, std::nullptr_t ) BOOST_NOEXCEPT
{
return p.get() == 0;
}
template<class T> inline bool operator==( std::nullptr_t, shared_array<T> const & p ) BOOST_NOEXCEPT
{
return p.get() == 0;
}
template<class T> inline bool operator!=( shared_array<T> const & p, std::nullptr_t ) BOOST_NOEXCEPT
{
return p.get() != 0;
}
template<class T> inline bool operator!=( std::nullptr_t, shared_array<T> const & p ) BOOST_NOEXCEPT
{
return p.get() != 0;
}
#endif
template<class T> inline bool operator<(shared_array<T> const & a, shared_array<T> const & b) BOOST_NOEXCEPT
{
return std::less<T*>()(a.get(), b.get());