///////////////////////////////////////////////////////////////////////////////

// Copyright (c) Lewis Baker

// Licenced under MIT license. See LICENSE.txt for details.

///////////////////////////////////////////////////////////////////////////////

#ifndef CPPCORO_AWAITABLE_TRAITS_HPP_INCLUDED

#define CPPCORO_AWAITABLE_TRAITS_HPP_INCLUDED

#include <cppcoro/detail/get_awaiter.hpp>

#include <type_traits>

namespace cppcoro

{

template<typename T, typename = void>

struct awaitable_traits

{};

template<typename T>

struct awaitable_traits<T, std::void_t<decltype(cppcoro::detail::get_awaiter(std::declval<T>()))>>

{

using awaiter_t = decltype(cppcoro::detail::get_awaiter(std::declval<T>()));

using await_result_t = decltype(std::declval<awaiter_t>().await_resume());

};

}

#endif