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// Boost.Convert test and usage example
// Copyright (c) 2009-2020 Vladimir Batov.
// Use, modification and distribution are subject to the Boost Software License,
// Version 1.0. See http://www.boost.org/LICENSE_1_0.txt.
#include <boost/convert.hpp>
#include <boost/convert/stream.hpp>
#include <boost/detail/lightweight_test.hpp>
#ifdef ONLY_FOR_DEMONSTRATION_PURPOSES
//[default_converter_declaration_simple
struct boost::cnv::by_default : boost::cnv::cstream {};
//]
#endif
//[default_converter_declaration_formatted
struct boost::cnv::by_default : boost::cnv::cstream
{
by_default() { (*this)(std::uppercase)(std::hex); }
};
//]
int
main(int, char const* [])
{
//[default_converter_example1
// No explicit converter provided. boost::cnv::by_default is used.
int i = boost::convert<int>("F").value_or(-1);
std::string s = boost::convert<std::string>(255).value_or("bad");
// 'i' and 's' are converted using boost::cnv::cstream
// with std::uppercase and std::hex formatting applied.
BOOST_TEST(i == 15); // 15(10) = F(16)
BOOST_TEST(s == "FF"); // 255(10) = FF(16)
//]
return boost::report_errors();
}
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