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Peter Dimov
2020-11-21 18:18:31 +02:00
parent 156a016865
commit 72089753f7
1 changed files with 7 additions and 0 deletions
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include/boost/core/ref.hpp
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@ -110,6 +110,13 @@ public:
template<class Y> friend class reference_wrapper;
/**
Constructs a `reference_wrapper` object that stores the
reference stored in the compatible `reference_wrapper` `r`.
@remark Only enabled when `Y*` is convertible to `T*`.
@remark Does not throw.
*/
template<class Y> reference_wrapper( reference_wrapper<Y> r,
typename enable_if_c<boost::detail::ref_convertible<Y, T>::value,
boost::detail::ref_empty>::type = boost::detail::ref_empty() ): t_( r.t_ )