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  1. #include <iostream>
  2. #include <thread>
  3. #include <vector>
  4. #include <future>
  5.  
  6. class Test {        
  7.     public:
  8.     std::thread t;
  9.     std::unique_ptr<std::promise<int>> pp;
  10.     Test(std::thread&& rt, std::unique_ptr<std::promise<int>>&& rpp)
  11.       : t(std::move(rt)), pp(std::move(rpp)) 
  12.     { }
  13. };
  14.  
  15. int main()
  16. {
  17.     std::vector<Test> tests;
  18.  
  19.     {
  20.         auto pp = std::make_unique<std::promise<int>>();
  21.         std::thread t ([p = pp.get()]{
  22.             std::cout << 1;
  23.             p->set_value(1);
  24.         });
  25.         tests.push_back(Test(std::move(t), std::move(pp)));
  26.     }  
  27.  
  28.     for(Test& mytest : tests)
  29.     {
  30.         mytest.t.join();
  31.     }
  32.  
  33. }
  34.  
Success #stdin #stdout 0s 82816KB
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stdout 
1
https://ideone.com/leb4PL
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
secret

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