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  1. #include<iostream>
  2.  
  3. struct A { 
  4.   A (int i = 0) { std::cout << "A::A()\n"; }
  5. };
  6.  
  7. int i = 0;
  8. int* const p = &i; 
  9.  
  10. int main () {
  11.       A(); // calls `A::A(int=0)`
  12.       A(i);  // calls `A::A(int=0)`
  13.  
  14.       A(*p); // <--- (1) same as local `A *p;`
  15.       {
  16.         A((*p));   // <--- (2) same as local `A *p;`
  17.       }
  18.       A (*foo());  // <--- (3) ??
  19.       {
  20.         A ((*foo()));  // <--- (4) ??
  21.       }
  22. }
Success #stdin #stdout 0s 3340KB
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Standard input is empty
stdout
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A::A()
A::A()
https://ideone.com/nY7nhi
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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