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  1. #include <iostream>
  2. // sized class-specific deallocation functions
  3. struct X {
  4.     static void operator delete(void* ptr, std::size_t sz)
  5.     {
  6.         std::cout << "custom delete for size " << sz << '\n';
  7.         ::operator delete(ptr);
  8.     }
  9.     static void operator delete[](void* ptr, std::size_t sz)
  10.     {
  11.         std::cout << "custom delete for size " << sz << '\n';
  12.         ::operator delete(ptr);
  13.     }
  14.     int i;
  15. };
  16. int main() {
  17.      X* p1 = new X;
  18.      delete p1;
  19.      X* p2 = new X[10];
  20.      delete[] p2;
  21.      std::cout << sizeof(X*) << '<<<\n';
  22. }
Success #stdin #stdout 0s 3456KB
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Standard input is empty
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custom delete for size 4
custom delete for size 44
41010580490
https://ideone.com/KxXjuG
language:
C++14 (clang 8.0)
created:
7 years ago
visibility:
public

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