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// Copyright 2018-2024 Emil Dotchevski and Reverge Studios, Inc.
// Distributed under 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)
#ifdef BOOST_LEAF_TEST_SINGLE_HEADER
# include "leaf.hpp"
#else
# include <boost/leaf/context.hpp>
# include <boost/leaf/diagnostics.hpp>
# include <boost/leaf/result.hpp>
#endif
#include "lightweight_test.hpp"
#include <iostream>
namespace leaf = boost::leaf;
template <int>
struct info
{
int value;
};
template <class Ctx>
leaf::result<int> f( Ctx & ctx )
{
auto active_context = activate_context(ctx);
return leaf::new_error( info<1>{1} );
}
int main()
{
leaf::context<info<1>, leaf::diagnostic_details const &> ctx;
{
leaf::result<int> r1 = f(ctx);
BOOST_TEST(!r1);
int r2 = ctx.handle_error<int>(
r1.error(),
[]( info<1> x )
{
BOOST_TEST_EQ(x.value, 1);
return 1;
},
[]( leaf::diagnostic_details const & info )
{
std::cout << info;
return 2;
} );
BOOST_TEST_EQ(r2, 1);
}
return boost::report_errors();
}
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