ceph/src/boost/libs/core/test/sv_common_reference_test2.cpp

   1 // Copyright 2021 Peter Dimov
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // https://www.boost.org/LICENSE_1_0.txt
   4
   5 #include <boost/core/detail/string_view.hpp>
   6 #include <boost/config/pragma_message.hpp>
   7 #include <string>
   8 #include <iterator>
   9
  10 #if !defined(__cpp_lib_ranges)
  11
  12 BOOST_PRAGMA_MESSAGE( "Skipping test because __cpp_lib_ranges is not defined" )
  13
  14 #else
  15
  16 struct Iterator
  17 {
  18     using value_type = std::string;
  19     boost::core::string_view operator*() const noexcept;
  20 };
  21
  22 static_assert( std::indirectly_readable<Iterator> );
  23
  24 #endif