concatenate_types.hpp

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#pragma once
#include <tuple>
 
namespace wmtk::utils::metaprogramming::tuple {
 
 
// creates a tuple that concatenates the types passed in
 
 
// generic case so we can specialize with tuples passed in
template <typename T, typename U>
struct concatenate_types
{
};
 
// main case where we pass in two tuples
template <typename... Ts, typename... Us>
struct concatenate_types<std::tuple<Ts...>, std::tuple<Us...>>
{
    using type = std::tuple<Ts..., Us...>;
};
 
 
// alias to underlying type
template <typename T, typename U>
using concatenate_types_t = typename concatenate_types<T, U>::type;
} // namespace wmtk::utils::metaprogramming::tuple