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  1. #include <iostream>
  2.  
  3. struct Counter{
  4.     Counter():v(++i){ std::cout << "ctor:" << v << std::endl; }
  5.     ~Counter(){ std::cout << "dtor:" << v << std::endl; }
  6.     Counter f() const { return Counter(); }
  7.     const int v;
  8.     static int i;
  9. };
  10. int Counter::i=0;
  11.  
  12. int main(void){
  13.     Counter c;
  14.     c.f().f().f().f().f();
  15.     return 0;
  16. }
Success #stdin #stdout 0.02s 2724KB
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stdin
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Standard input is empty
stdout
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ctor:1
ctor:2
ctor:3
ctor:4
ctor:5
ctor:6
dtor:6
dtor:5
dtor:4
dtor:3
dtor:2
dtor:1
https://ideone.com/WaqyD
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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