thread/test/test_ml2.cpp at develop · boostorg/thread · GitHub

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// Distributed under the Boost Software License, Version 1.0. (See accompanying

// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#define BOOST_THREAD_VERSION 4

#include <cassert>

#include <vector>

#include <future>

#include <functional>

#include <boost/thread/future.hpp>

int TRUC = 42;

int main()

{

std::vector< std::function<void()> > work_queue;

auto do_some_work = [&]()-> boost::future<int*>

{

auto promise = std::make_shared<boost::promise<int*>>();

#if 0

work_queue.push_back( [=]

{

promise->set_value( &TRUC );

});

#else

auto inner = [=]()

{

promise->set_value( &TRUC );

};

work_queue.push_back(inner);

#endif

return promise->get_future();

};

auto ft_value = do_some_work();

while( !work_queue.empty() )

{

#if 0

auto work = work_queue.back();

#else

std::function<void()> work;

work = work_queue.back();

#endif

work_queue.pop_back();

work();

}

auto value = ft_value.get();

assert( value == &TRUC );

return 0;

}

thread/test/test_ml2.cpp at develop · boostorg/thread · GitHub

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