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Add support for BOOST_NO_IOSTREAM

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This commit is contained in:
Andrzej Krzemienski
2021-05-19 23:29:10 +02:00
parent a70c51eed1
commit d0ab8004c0
7 changed files with 54 additions and 23 deletions
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4
include/boost/optional/optional.hpp
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@ -18,7 +18,9 @@
#define BOOST_OPTIONAL_OPTIONAL_FLC_19NOV2002_HPP
#include <new>
#ifndef BOOST_NO_IOSTREAM
#include <iosfwd>
#endif // BOOST_NO_IOSTREAM
#ifdef BOOST_OPTIONAL_DETAIL_USE_STD_TYPE_TRAITS
# include <type_traits>
@ -1586,6 +1588,7 @@ get_pointer ( optional<T>& opt )
} // namespace boost
#ifndef BOOST_NO_IOSTREAM
namespace boost {
// The following declaration prevents a bug where operator safe-bool is used upon streaming optional object if you forget the IO header.
@ -1598,6 +1601,7 @@ operator<<(std::basic_ostream<CharType, CharTrait>& os, optional_detail::optiona
}
} // namespace boost
#endif // BOOST_NO_IOSTREAM
#include <boost/optional/detail/optional_relops.hpp>
#include <boost/optional/detail/optional_swap.hpp>

5
include/boost/optional/optional_io.hpp
View File

@ -12,6 +12,7 @@
#ifndef BOOST_OPTIONAL_OPTIONAL_IO_FLC_19NOV2002_HPP
#define BOOST_OPTIONAL_OPTIONAL_IO_FLC_19NOV2002_HPP
#ifndef BOOST_NO_IOSTREAM
#include <istream>
#include <ostream>
@ -31,7 +32,7 @@ operator<<(std::basic_ostream<CharType, CharTrait>& out, none_t)
{
out << "--";
}
return out;
}
@ -90,5 +91,5 @@ operator>>(std::basic_istream<CharType, CharTrait>& in, optional<T>& v)
} // namespace boost
#endif // BOOST_NO_IOSTREAM
#endif