WSJT-X/boost/libs/config/test/boost_no_std_oi_assign.ipp

43 lines
1.1 KiB
C++

// (C) Copyright John Maddock 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/config for the most recent version.
// MACRO: BOOST_NO_STD_OUTPUT_ITERATOR_ASSIGN
// TITLE: That the std output iterators are assignable
// DESCRIPTION: Some std lib output iterators are not assignable
// even this is required by the standard.
#include <iterator>
#include <list>
#include <iostream>
namespace boost_no_std_output_iterator_assign {
int test()
{
std::list<int> l;
std::back_insert_iterator<std::list<int> > bi1(l);
std::back_insert_iterator<std::list<int> > bi2(l);
bi1 = bi2;
std::front_insert_iterator<std::list<int> > fi1(l);
std::front_insert_iterator<std::list<int> > fi2(l);
fi1 = fi2;
std::ostream_iterator<char> osi1(std::cout);
std::ostream_iterator<char> osi2(std::cout);
osi1 = osi2;
return 0;
}
}