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  1. #include <iostream>
  2. #include <new>
  3. #include <memory>
  4.  
  5. struct MyClass {
  6.     MyClass () { std::cout << __func__ << std::endl; }
  7.     ~MyClass () { std::cout << __func__ << std::endl; }
  8. };
  9.  
  10. int main ()
  11. {
  12.     char mem[sizeof(MyClass)] alignas(MyClass);
  13.     auto dtor = [](MyClass *p){ p->~MyClass(); };
  14.     std::shared_ptr<MyClass> p(new (mem) MyClass, dtor);
  15. }
Success #stdin #stdout 0s 3432KB
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Standard input is empty
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MyClass
~MyClass
https://ideone.com/dUd9uu
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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