Fix couple of -Wdeprecated-copy when using clang with std=gnu++20 or gnu++2b.#154
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======= ERROR 1 ========
In file included from /data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/stream_buffer.hpp:22:
In file included from /data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/detail/streambuf/indirect_streambuf.hpp:23:
/data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/detail/adapter/concept_adapter.hpp:121:45: error: definition of implicit copy constructor for 'concept_adapter<boost::iost
reams::back_insert_device<std::vector<char>>>' is deprecated because it has a user-declared copy assignment operator [-Werror,-Wdeprecated-copy]
BOOST_DELETED_FUNCTION(concept_adapter& operator=(const concept_adapter&))
^
/data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/detail/optional.hpp:100:25: note: in implicit copy constructor for 'boost::iostreams::detail::concept_adapter<boost::iostr
eams::back_insert_device<std::vector<char>>>' first required here
new (address()) T(t);
^
/data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/detail/streambuf/indirect_streambuf.hpp:185:14: note: in instantiation of member function 'boost::iostreams::detail::optio
nal<boost::iostreams::detail::concept_adapter<boost::iostreams::back_insert_device<std::vector<char>>>>::reset' requested here
storage_.reset(wrapper(t));
^
/data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/stream_buffer.hpp:106:24: note: in instantiation of member function 'boost::iostreams::detail::indirect_streambuf<boost::iostreams::back_insert_device<std::vector<char>>, std::char_traits<char>, std::allocator<char>, boost::iostreams::output>::open' requested here
base_type::open(t BOOST_IOSTREAMS_PUSH_ARGS());
^
/data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/stream_buffer.hpp:94:45: note: in instantiation of member function 'boost::iostreams::stream_buffer<boost::iostreams::back_insert_device<std::vector<char>>, std::char_traits<char>, std::allocator<char>, boost::iostreams::output>::open_impl' requested here
BOOST_IOSTREAMS_FORWARD( stream_buffer, open_impl, T,
^
src/Screen.cpp:1477:14: note: in instantiation of function template specialization 'boost::iostreams::stream_buffer<boost::iostreams::back_insert_device<std::vector<char>>, std::char_traits<char>, std::allocator<char>, boost::iostreams::output>::stream_buffer<std::vector<char>>' requested here
:boost::iostreams::stream_buffer<boost::iostreams::back_insert_device<std::vector<char>>>(_storage)
^
======= ERROR 2 ========
In file included from /data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/stream_buffer.hpp:21:
In file included from /data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/detail/streambuf/direct_streambuf.hpp:24:
/data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/detail/functional.hpp:118:52: error: definition of implicit copy constructor for 'member_close_operation<boost::iostreams::detail::linked_streambuf<char>>' is deprecated because it has a user-declared copy assignment operator [-Werror,-Wdeprecated-copy]
BOOST_DELETED_FUNCTION(member_close_operation& operator=(const member_close_operation&))
^
/data/mwrep/res/osp/Boost/23-0-0-0/include/boost/preprocessor/iteration/detail/limits/local_256.hpp:22:9: note: in implicit copy constructor for 'boost::iostreams::detail::member_close_operation<boost::iostreams::detail::linked_streambuf<char>>' first required here
BOOST_PP_LOCAL_MACRO(3)
^
/data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/detail/execute.hpp:97:20: note: expanded from macro 'BOOST_PP_LOCAL_MACRO'
op BOOST_PP_COMMA_IF(BOOST_PP_DEC(n)) \
^
/data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/detail/streambuf/indirect_streambuf.hpp:202:13: note: in instantiation of function template specialization 'boost::iostreams::detail::execute_all<boost::iostreams::detail::member_close_operation<boost::iostreams::detail::linked_streambuf<char>>, boost::iostreams::detail::member_close_operation<boost::iostreams::detail::linked_streambuf<char>>, boost::iostreams::detail::reset_operation<boost::iostreams::detail::optional<boost::iostreams::detail::concept_adapter<boost::iostreams::back_insert_device<std::vector<char>>>>>, boost::iostreams::detail::clear_flags_operation<int>>' requested here
detail::execute_all(
^
/data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/stream_buffer.hpp:91:23: note: in instantiation of member function 'boost::iostreams::detail::indirect_streambuf<boost::iostreams::back_insert_device<std::vector<char>>, std::char_traits<char>, std::allocator<char>, boost::iostreams::output>::close' requested here
this->close();
^
src/Screen.cpp:1476:9: note: in instantiation of member function 'boost::iostreams::stream_buffer<boost::iostreams::back_insert_device<std::vector<char>>, std::char_traits<char>, std::allocator<char>, boost::iostreams::output>::~stream_buffer' requested here
StreamBufferImplementation()
^
======= ERROR 3 ========
In file included from /data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/stream_buffer.hpp:21:
In file included from /data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/detail/streambuf/direct_streambuf.hpp:24:
/data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/detail/functional.hpp:136:45: error: definition of implicit copy constructor for 'reset_operation<boost::iostreams::detail::optional<boost::iostreams::detail::concept_adapter<boost::iostreams::back_insert_device<std::vector<char>>>>>' is deprecated because it has a user-declared copy assignment operator [-Werror,-Wdeprecated-copy]
BOOST_DELETED_FUNCTION(reset_operation& operator=(const reset_operation&))
^
/data/mwrep/res/osp/Boost/23-0-0-0/include/boost/preprocessor/iteration/detail/limits/local_256.hpp:22:9: note: in implicit copy constructor for 'boost::iostreams::detail::reset_operation<boost::iostreams::detail::optional<boost::iostreams::detail::concept_adapter<boost::iostreams::back_insert_device<std::vector<char>>>>>' first required here
BOOST_PP_LOCAL_MACRO(3)
^
/data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/detail/execute.hpp:98:20: note: expanded from macro 'BOOST_PP_LOCAL_MACRO'
BOOST_PP_ENUM_PARAMS(BOOST_PP_DEC(n), c) \
^
/data/mwrep/res/osp/Boost/23-0-0-0/include/boost/preprocessor/repetition/enum_params.hpp:24:71: note: expanded from macro 'BOOST_PP_ENUM_PARAMS'
^
/data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/detail/streambuf/indirect_streambuf.hpp:202:13: note: in instantiation of function template specialization 'boost::iostreams::detail::execute_all<boost::iostreams::detail::member_close_operation<boost::iostreams::detail::linked_streambuf<char>>, boost::iostreams::detail::member_close_operation<boost::iostreams::detail::linked_streambuf<char>>, boost::iostreams::detail::reset_operation<boost::iostreams::detail::optional<boost::iostreams::detail::concept_adapter<boost::iostreams::back_insert_device<std::vector<char>>>>>, boost::iostreams::detail::clear_flags_operation<int>>' requested here
detail::execute_all(
^
/data/mwrep/res/osp/Boost/23-0-0-0/include/boost/iostreams/stream_buffer.hpp:91:23: note: in instantiation of member function 'boost::iostreams::detail::indirect_streambuf<boost::iostreams::back_insert_device<std::vector<char>>, std::char_traits<char>, std::allocator<char>, boost::iostreams::output>::close' requested here
this->close();
^
src/Screen.cpp:1476:9: note: in instantiation of member function 'boost::iostreams::stream_buffer<boost::iostreams::back_insert_device<std::vector<char>>, std::char_traits<char>, std::allocator<char>, boost::iostreams::output>::~stream_buffer' requested here
StreamBufferImplementation()
^
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======= ERROR 1 ========
======= ERROR 2 ========
======= ERROR 3 ========