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Disable addressof for r-values when possible

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This commit is contained in:
Glen Fernandes
2017-04-22 23:50:00 -04:00
parent 46545326d8
commit dc6003e26f
4 changed files with 40 additions and 4 deletions
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10
include/boost/core/addressof.hpp
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@ -262,4 +262,14 @@ addressof(T& o) BOOST_NOEXCEPT
} /* boost */
#endif
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && \
!defined(BOOST_NO_CXX11_DELETED_FUNCTIONS)
namespace boost {
template<class T>
const T* addressof(const T&&) = delete;
} /* boost */
#endif
#endif

1
test/Jamfile.v2
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@ -14,6 +14,7 @@ run addressof_test2.cpp ;
run addressof_np_test.cpp ;
run addressof_fn_test.cpp ;
compile addressof_constexpr_test.cpp ;
compile-fail addressof_fail_rvalue.cpp ;
run checked_delete_test.cpp ;
compile-fail checked_delete_fail.cpp ;

7
test/addressof_constexpr_test.cpp
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@ -1,10 +1,9 @@
/*
Copyright 2017 Glen Joseph Fernandes
<glenjofe -at- gmail.com>
(glenjofe@gmail.com)
Distributed under the Boost Software
License, Version 1.0.
http://boost.org/LICENSE_1_0.txt
Distributed under the Boost Software License, Version 1.0.
(http://www.boost.org/LICENSE_1_0.txt)
*/
#include <boost/core/addressof.hpp>

26
test/addressof_fail_rvalue.cpp Normal file
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@ -0,0 +1,26 @@
/*
Copyright 2017 Glen Joseph Fernandes
(glenjofe@gmail.com)
Distributed under the Boost Software License, Version 1.0.
(http://www.boost.org/LICENSE_1_0.txt)
*/
#include <boost/core/addressof.hpp>
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && \
!defined(BOOST_NO_CXX11_DELETED_FUNCTIONS)
struct type { };
inline const type function()
{
return type();
}
int main()
{
(void)boost::addressof(function());
}
#else
#error Requires rvalue references and deleted functions
#endif