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  1.     #include <iostream>
  2.  
  3.     class Foo {
  4.         const char* m_name;
  5.     public:
  6.         Foo(const char* name) : m_name(name) { std::cout << "Foo(" << m_name << ")\n"; }
  7.         ~Foo() { std::cout << "~Foo(" << m_name << ");\n"; }
  8.     };
  9.  
  10.     Foo g_globalFoo("global");
  11.  
  12.     void x() {
  13.         Foo xFoo("x");
  14.         std::cout << "in x\n";
  15.     }
  16.  
  17.     int main() {
  18.         Foo mainFoo1("main1");
  19.         Foo mainFoo2("main2");
  20.  
  21.         for (size_t i = 0; i < 3; ++i) {
  22.             Foo forFoo("for");
  23.             std::cout << "for loop iteration " << i << '\n';
  24.         }
  25.  
  26.         { // inner scope
  27.             Foo innerFoo("inner");
  28.             std::cout << "leaving inner scope\n";
  29.         }
  30.  
  31.         std::cout << "calling x()\n";
  32.         x();
  33.         std::cout << "back from x(), ending program\n";
  34.  
  35.         return 0;
  36.     }
  37.  
Success #stdin #stdout 0s 3344KB
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stdin
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Standard input is empty
stdout
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Foo(global)
Foo(main1)
Foo(main2)
Foo(for)
for loop iteration 0
~Foo(for);
Foo(for)
for loop iteration 1
~Foo(for);
Foo(for)
for loop iteration 2
~Foo(for);
Foo(inner)
leaving inner scope
~Foo(inner);
calling x()
Foo(x)
in x
~Foo(x);
back from x(), ending program
~Foo(main2);
~Foo(main1);
~Foo(global);
https://ideone.com/fXPlB7
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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