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// Copyright 2017 Peter Dimov.
//
// 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
#include <boost/variant2/variant.hpp>
using namespace boost::variant2;
#define STATIC_ASSERT(...) static_assert(__VA_ARGS__, #__VA_ARGS__)
int main()
{
{
constexpr variant<int> v;
STATIC_ASSERT( v.index() == 0 );
STATIC_ASSERT( get<0>(v) == 0 );
}
{
constexpr variant<int const> v;
STATIC_ASSERT( v.index() == 0 );
STATIC_ASSERT( get<0>(v) == 0 );
}
{
constexpr variant<int, float> v;
STATIC_ASSERT( v.index() == 0 );
STATIC_ASSERT( get<0>(v) == 0 );
}
{
constexpr variant<int, int, float> v;
STATIC_ASSERT( v.index() == 0 );
STATIC_ASSERT( get<0>(v) == 0 );
}
{
constexpr variant<int, float, float> v;
STATIC_ASSERT( v.index() == 0 );
STATIC_ASSERT( get<0>(v) == 0 );
}
}
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