Edit: /usr/include/boost/pointer_cast.hpp (3688B)
//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2005.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
//////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_POINTER_CAST_HPP
#define BOOST_POINTER_CAST_HPP
#include
#include
namespace boost {
//static_pointer_cast overload for raw pointers
template
inline T* static_pointer_cast(U *ptr) BOOST_SP_NOEXCEPT
{
return static_cast(ptr);
}
//dynamic_pointer_cast overload for raw pointers
template
inline T* dynamic_pointer_cast(U *ptr) BOOST_SP_NOEXCEPT
{
return dynamic_cast(ptr);
}
//const_pointer_cast overload for raw pointers
template
inline T* const_pointer_cast(U *ptr) BOOST_SP_NOEXCEPT
{
return const_cast(ptr);
}
//reinterpret_pointer_cast overload for raw pointers
template
inline T* reinterpret_pointer_cast(U *ptr) BOOST_SP_NOEXCEPT
{
return reinterpret_cast(ptr);
}
} // namespace boost
#if !defined( BOOST_NO_CXX11_SMART_PTR )
#include
#include
#include
namespace boost {
//static_pointer_cast overload for std::shared_ptr
using std::static_pointer_cast;
//dynamic_pointer_cast overload for std::shared_ptr
using std::dynamic_pointer_cast;
//const_pointer_cast overload for std::shared_ptr
using std::const_pointer_cast;
//reinterpret_pointer_cast overload for std::shared_ptr
template std::shared_ptr reinterpret_pointer_cast(const std::shared_ptr & r ) BOOST_SP_NOEXCEPT
{
(void) reinterpret_cast< T* >( static_cast< U* >( 0 ) );
typedef typename std::shared_ptr::element_type E;
E * p = reinterpret_cast< E* >( r.get() );
return std::shared_ptr( r, p );
}
//static_pointer_cast overload for std::unique_ptr
template std::unique_ptr static_pointer_cast( std::unique_ptr && r ) BOOST_SP_NOEXCEPT
{
(void) static_cast< T* >( static_cast< U* >( 0 ) );
typedef typename std::unique_ptr::element_type E;
return std::unique_ptr( static_cast( r.release() ) );
}
//dynamic_pointer_cast overload for std::unique_ptr
template std::unique_ptr dynamic_pointer_cast( std::unique_ptr && r ) BOOST_SP_NOEXCEPT
{
(void) dynamic_cast< T* >( static_cast< U* >( 0 ) );
BOOST_STATIC_ASSERT_MSG( boost::has_virtual_destructor::value, "The target of dynamic_pointer_cast must have a virtual destructor." );
T * p = dynamic_cast( r.get() );
if( p ) r.release();
return std::unique_ptr( p );
}
//const_pointer_cast overload for std::unique_ptr
template std::unique_ptr const_pointer_cast( std::unique_ptr && r ) BOOST_SP_NOEXCEPT
{
(void) const_cast< T* >( static_cast< U* >( 0 ) );
typedef typename std::unique_ptr::element_type E;
return std::unique_ptr( const_cast( r.release() ) );
}
//reinterpret_pointer_cast overload for std::unique_ptr
template std::unique_ptr reinterpret_pointer_cast( std::unique_ptr && r ) BOOST_SP_NOEXCEPT
{
(void) reinterpret_cast< T* >( static_cast< U* >( 0 ) );
typedef typename std::unique_ptr::element_type E;
return std::unique_ptr( reinterpret_cast( r.release() ) );
}
} // namespace boost
#endif // #if !defined( BOOST_NO_CXX11_SMART_PTR )
#endif //BOOST_POINTER_CAST_HPP