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  1. #include <iostream>
  2. #include <tuple>
  3.  
  4. using T = std::tuple<int, double, long>;
  5.  
  6. int main()
  7. {
  8.  
  9.     void * p = ::operator new(sizeof(T));
  10.  
  11.     T * q = static_cast<T *>(p);
  12.     ::new (&std::get<1>(*q)) double(12.8);
  13.  
  14.     std::cout << std::get<1>(*q) << std::endl;
  15.  
  16.     ::operator delete(p);
  17. }
  18.  
Success #stdin #stdout 0s 3428KB
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Standard input is empty
stdout
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12.8
https://ideone.com/o23e79
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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