ReferenceWrapperVariant.hpp

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#pragma once
#include <functional>
#include <type_traits>
#include <utility>
#include <variant>
 
namespace wmtk::utils::metaprogramming {
 
// My target application's "Input" class is quite heavy and the Input objects
// persist for int64_t periods of time relative to what this is being used for, so
// I want to use a variant of references rather than values
//
// Here's a helper definition for making variants of references
template <typename... T>
using ReferenceWrapperVariant = std::variant<std::reference_wrapper<T>...>;
 
 
} // namespace wmtk::utils::metaprogramming