// This source code is released into the public domain.
export module nihil.posix:executor;

import nihil.std;

namespace nihil {

// A concept to mark spawn executors, which should contain:
//	using tag = exec_tag;

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