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  1. #include <iostream>
  2. #include <future>
  3.  
  4. using namespace std;
  5.  
  6.  
  7. class A {
  8. public:
  9.    int x;
  10.  
  11.    A(int x):x(x)  {}
  12.  
  13.    int test(int y) {
  14.       return x+y;
  15.    }
  16. };
  17.  
  18. int main() {
  19.     A a(3);
  20. 	std::future<int> fut = std::async(&A::test, &a, 4);
  21.  
  22.     cout << fut.get() << endl;
  23.  
  24. 	return 0;
  25. }
Runtime error #stdin #stdout #stderr 0s 3436KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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terminate called after throwing an instance of 'std::system_error'
  what():  Unknown error -1
https://ideone.com/4XBuOi
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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