成员的完整列表，这些成员属于 elc::defs::stream_n::noexcept_data_istream_t,包括所有继承而来的类成员

close() noexcept override=0	elc::defs::stream_n::noexcept_stream_t	pure virtual
data_type typedef	elc::defs::stream_n::data_stream_t
flush() noexcept override=0	elc::defs::stream_n::noexcept_stream_t	pure virtual
is_end() noexcept override=0	elc::defs::stream_n::noexcept_not_unreadable_istream_t	pure virtual
operator bool() noexcept override	elc::defs::stream_n::noexcept_not_unreadable_istream_t	inlineexplicitvirtual
read(byte *buf, size_t size) noexcept override=0	elc::defs::stream_n::noexcept_not_unreadable_data_istream_t	pure virtual
read(T *v, size_t size=1) noexcept	elc::defs::stream_n::noexcept_not_unreadable_data_istream_t	inline
seek(seek_type, int_t) noexcept override=0	elc::defs::stream_n::noexcept_stream_t	pure virtual
seek_to(int_t) noexcept override=0	elc::defs::stream_n::noexcept_stream_t	pure virtual
sync() noexcept override=0	elc::defs::stream_n::noexcept_stream_t	pure virtual
tell() noexcept override	elc::defs::stream_n::noexcept_stream_t	inlinevirtual
unread(const byte *buf, size_t size) noexcept override=0	elc::defs::stream_n::noexcept_data_istream_t	pure virtual
unread(const T *v, size_t size=1) noexcept	elc::defs::stream_n::noexcept_data_istream_t	inline
waitting_for_data() noexcept override=0	elc::defs::stream_n::noexcept_not_unreadable_istream_t	pure virtual
~base_stream_t()=default	elc::defs::stream_n::base_stream_t	virtual