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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/on_error.hpp>
# include <boost/leaf/handle_errors.hpp>
# include <boost/leaf/result.hpp>
#endif
#include "lightweight_test.hpp"
namespace leaf = boost::leaf;
template <int>
struct info
{
int value = 0;
};
leaf::error_id g()
{
auto load = leaf::on_error( [](info<1> & x) {++x.value;} );
return leaf::new_error();
}
leaf::error_id f()
{
auto load = leaf::on_error( [](info<1> & x) {++x.value;}, [](info<2> & x) {++x.value;} );
return g();
}
int main()
{
int r = leaf::try_handle_all(
[]() -> leaf::result<int>
{
return f();
},
[]( info<1> const & a, info<2> const & b )
{
BOOST_TEST_EQ(a.value, 2);
BOOST_TEST_EQ(b.value, 1);
return 1;
},
[]
{
return 2;
} );
BOOST_TEST_EQ(r, 1);
return boost::report_errors();
}
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