1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
|
// Copyright 2021 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/core/detail/string_view.hpp>
#include <boost/core/lightweight_test.hpp>
#include <string>
#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
# include <string_view>
#endif
#if !defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
# include <memory_resource>
#endif
boost::core::string_view f( boost::core::string_view const& str )
{
return str;
}
int main()
{
{
std::string s1( "123" );
std::string s2 = f( s1 );
BOOST_TEST_EQ( s1, s2 );
}
#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
{
std::string_view s1( "123" );
std::string_view s2 = f( s1 );
BOOST_TEST_EQ( s1, s2 );
}
#endif
#if !defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
{
using pmr_string = std::basic_string<char, std::char_traits<char>, std::pmr::polymorphic_allocator<char>>;
pmr_string s1( "123" );
pmr_string s2 = f( s1 );
BOOST_TEST_EQ( s1, s2 );
}
#endif
return boost::report_errors();
}
|