Throwing an exception from a function outside the try block : function and Exception « Exceptions « C++ Tutorial

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C++ Tutorial » Exceptions » function and Exception 
6. 6. 2. Throwing an exception from a function outside the try block
#include <iostream>
using namespace std;

void f(int test)
{
  cout << "Inside f, test is: " << test << "\n";
  if(testthrow test;
}

int main()
{
  cout << "Start\n";

  try // start a try block
    cout << "Inside try block\n";
    f(0);
    f(1);
    f(2);
  }
  catch (int i) { // catch an error
    cout << "Caught an exception -- value is: ";
    cout << i << "\n";
  }

  cout << "End";

  return 0;
}
Start
Inside try block
Inside f, test is: 0
Inside f, test is: 1
Caught an exception -- value is: 1
End"
6. 6. function and Exception
6. 6. 1. Localize a try/catch to a function
6. 6. 2. Throwing an exception from a function outside the try block
6. 6. 3. This function can throw NO exceptions!
6. 6. 4. Restricting function throw types
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