Any.hpp

#pragma once
 
#include <any>
#include <type_traits>
 
namespace util::async::impl {

class Any {
    std::any value_;
 
public:
    Any() = default;
    Any(Any const&) = default;
 
    Any(Any&&) = default;
    // note: this needs to be `auto` instead of `std::any` because of a bug in gcc 11.4
    Any(auto&& v)
        requires(std::is_same_v<std::decay_t<decltype(v)>, std::any>)
        : value_{std::forward<decltype(v)>(v)}
    {
    }
 
    operator std::any&() noexcept
    {
        return value_;
    }
};
 
}  // namespace util::async::impl