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// Copyright 2024 Peter Dimov.
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/variant2/variant.hpp>
#include <boost/core/lightweight_test.hpp>
struct expr: boost::variant2::variant<bool, int, double>
{
using variant::variant;
};
int main()
{
using boost::variant2::get;
{
expr v{ true };
BOOST_TEST_EQ( v.index(), 0 );
BOOST_TEST_EQ( get<0>(v), true );
}
{
expr v{ 2 };
BOOST_TEST_EQ( v.index(), 1 );
BOOST_TEST_EQ( get<1>(v), 2 );
}
{
expr v{ 3.0 };
BOOST_TEST_EQ( v.index(), 2 );
BOOST_TEST_EQ( get<2>(v), 3.0 );
}
{
expr v( true );
BOOST_TEST_EQ( v.index(), 0 );
BOOST_TEST_EQ( get<0>(v), true );
}
{
expr v( 2 );
BOOST_TEST_EQ( v.index(), 1 );
BOOST_TEST_EQ( get<1>(v), 2 );
}
{
expr v( 3.0 );
BOOST_TEST_EQ( v.index(), 2 );
BOOST_TEST_EQ( get<2>(v), 3.0 );
}
return boost::report_errors();
}
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