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#include <iostream>
using namespace std;
class Strings // partially implemented
{
public:
~Strings();
};
inline Strings::~Strings()
{
cout << "destructor called\n";
}
class Wrapper
{
Strings *d_strings;
public:
Wrapper();
~Wrapper();
};
inline Wrapper::Wrapper()
:
d_strings(new Strings{})
{}
inline Wrapper::~Wrapper()
{
delete d_strings;
}
int main()
{
auto ptr = new Strings *[4];
// ... code assigning `new Strings' to ptr's elements
delete[] ptr; // memory leak: ~Strings() not called
cout << "===========\n";
delete[] new Wrapper[4]; // OK: 4 x destructor called
}
/*
Generated output:
===========
destructor called
destructor called
destructor called
destructor called
*/
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