as_variant_type.hpp

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#pragma once
#include <tuple>
#include <variant>
 
 
namespace wmtk::utils::metaprogramming::tuple {
 
 
// given a set of types, a tuple without the voids and makes unique types
namespace detail {
template <typename T>
struct as_variant_type
{
};
template <typename... Ts>
struct as_variant_type<std::tuple<Ts...>>
{
    using type = std::variant<Ts...>;
};
 
} // namespace detail
 
// from a tuple input
template <typename T>
using as_variant_type_t = typename detail::as_variant_type<T>::type;
 
 
} // namespace wmtk::utils::metaprogramming::tuple