/*
 * This source code is released into the public domain.
 */

module;

#include <concepts>
#include <type_traits>

export module nihil.posix:executor;

namespace nihil {

/*
 * A concept to mark spawn executors.
 */

export struct exec_tag{};

export template<typename T>
concept executor =
	requires (T e) {
		std::same_as<exec_tag, typename std::remove_cvref_t<T>::tag>;
		{ e.exec() };
	};

} // namespace nihil