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Disable binding ref to temporaries when rvalue references are supported

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K-ballo
2014-06-09 19:50:22 -03:00
parent af629ffa59
commit 45f7564db2
5 changed files with 100 additions and 0 deletions
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36
include/boost/core/ref.hpp
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@@ -66,6 +66,14 @@ public:
*/
BOOST_FORCEINLINE explicit reference_wrapper(T& t): t_(boost::addressof(t)) {}
# if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
/**
@remark Construction from a temporary object is disabled.
*/
BOOST_DELETED_FUNCTION(reference_wrapper(T&& t))
public:
# endif
/**
@return The stored reference.
@remark Does not throw.
@@ -144,6 +152,34 @@ template<class T> BOOST_FORCEINLINE reference_wrapper<T const> BOOST_REF_CONST c
# undef BOOST_REF_CONST
# if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
/**
@cond
*/
# if defined(BOOST_NO_CXX11_DELETED_FUNCTIONS)
# define BOOST_REF_DELETE
# else
# define BOOST_REF_DELETE = delete
# endif
/**
@endcond
*/
/**
@remark Construction from a temporary object is disabled.
*/
template<class T> void ref(T const&& t) BOOST_REF_DELETE;
/**
@remark Construction from a temporary object is disabled.
*/
template<class T> void cref(T const&& t) BOOST_REF_DELETE;
# undef BOOST_REF_DELETE
# endif
// is_reference_wrapper
/**