future.h

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// SPDX-License-Identifier: BSD-3-Clause
//
// Created by Eduard Valeyev on 7/10/18.
//
 
#ifndef TTG_FUTURE_H
#define TTG_FUTURE_H
 
#include <future>
 
namespace ttg {
 
template<typename T>
bool has_value(std::future<T> const& f)
{ return f.wait_for(std::chrono::seconds(0)) == std::future_status::ready; }
 
template<typename T>
bool has_value(std::shared_future<T> const& f)
{ return f.wait_for(std::chrono::seconds(0)) == std::future_status::ready; }
 
}
 
#endif //TTG_FUTURE_H