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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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25
include/boost/smart_ptr/scoped_array.hpp
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@@ -11,6 +11,7 @@
// http://www.boost.org/libs/smart_ptr/scoped_array.htm
//
#include <boost/config.hpp>
#include <boost/assert.hpp>
#include <boost/checked_delete.hpp>
#include <boost/config.hpp> // in case ptrdiff_t not in std
@@ -97,6 +98,30 @@ public:
}
};
#if !defined( BOOST_NO_CXX11_NULLPTR )
template<class T> inline bool operator==( scoped_array<T> const & p, std::nullptr_t ) BOOST_NOEXCEPT
{
return p.get() == 0;
}
template<class T> inline bool operator==( std::nullptr_t, scoped_array<T> const & p ) BOOST_NOEXCEPT
{
return p.get() == 0;
}
template<class T> inline bool operator!=( scoped_array<T> const & p, std::nullptr_t ) BOOST_NOEXCEPT
{
return p.get() != 0;
}
template<class T> inline bool operator!=( std::nullptr_t, scoped_array<T> const & p ) BOOST_NOEXCEPT
{
return p.get() != 0;
}
#endif
template<class T> inline void swap(scoped_array<T> & a, scoped_array<T> & b) BOOST_NOEXCEPT
{
a.swap(b);