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Replace is_copy_constructible and is_abstract with is_convertible

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code@jendruk.com
2019-05-08 17:21:45 +02:00
parent 9f03cc44d8
commit 1bf2db29c0
1 changed files with 5 additions and 13 deletions
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18
include/boost/range/detail/any_iterator_interface.hpp
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@ -13,12 +13,9 @@
#include <boost/range/detail/any_iterator_buffer.hpp>
#include <boost/iterator/iterator_categories.hpp>
#include <boost/mpl/not.hpp>
#include <boost/type_traits/add_const.hpp>
#include <boost/type_traits/add_reference.hpp>
#include <boost/type_traits/is_abstract.hpp>
#include <boost/type_traits/is_copy_constructible.hpp>
#include <boost/type_traits/decay.hpp>
#include <boost/type_traits/is_convertible.hpp>
#include <boost/type_traits/is_reference.hpp>
#include <boost/type_traits/remove_const.hpp>
#include <boost/type_traits/remove_reference.hpp>
namespace boost
@ -40,16 +37,11 @@ namespace boost
template<class T>
struct reference_as_value_type_generator
{
typedef typename remove_const<
typename remove_reference<T>::type
>::type const_reference_stripped_type;
typedef typename decay<T>::type decayed_type;
typedef typename mpl::if_<
typename mpl::or_<
mpl::not_<typename is_abstract<const_reference_stripped_type>::type>,
typename is_copy_constructible<const_reference_stripped_type>::type
>::type,
const_reference_stripped_type,
typename is_convertible<const decayed_type&, decayed_type>::type,
decayed_type,
T
>::type type;
};