1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | #include <iostream> using namespace std; class Widget { public: Widget(int n) { data = n; cout <<"Widget(int n): this=" <<this <<endl; } Widget() { cout<<"Widget(): this=" <<this <<endl; Widget(8888); } ~Widget() { cout<<"~Widget(): this=" <<this <<" data=" <<data <<endl; } void print() const { cout <<"print(): this=" <<this <<" data=:"<<data <<endl; } private: int data; }; int main() { Widget a; a.print(); return 0; } |
output:
Widget(): this=0x7fff556f9c08
Widget(int n): this=0x7fff556f9b90
~Widget(): this=0x7fff556f9b90 data=8888
print(): this=0x7fff556f9c08 data=:1794977846
~Widget(): this=0x7fff556f9c08 data=1794977846
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