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/*
* 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
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