3.6 UsingAuto.cpp

#include <iostream>
using namespace std;

int main()
{
   auto coinFlippedHeads = true;
   auto largeNumber = 2500000000000;

   cout << "coinFlippedHeads = " << coinFlippedHeads << ", ";
   cout << "sizeof(coinFlippedHeads) = " << sizeof(coinFlippedHeads);
   cout << endl << "largeNumber = " << largeNumber << ", ";
   cout << "sizeof(largeNumber) = " << sizeof(largeNumber) << endl;

   return 0;
}


/* auto with vectors
#include <vector>

int main()
{
auto coinFlippedHeads = true;
auto largeNumber = 2500000000000;

cout << "coinFlippedHeads = " << coinFlippedHeads;
cout << " , sizeof(coinFlippedHeads) = " << sizeof(coinFlippedHeads) << endl;
cout << "largeNumber = " << largeNumber;
cout << " , sizeof(largeNumber) = " << sizeof(largeNumber) << endl;

vector<int> MylargeNumbers;
MylargeNumbers.push_back(-45);
MylargeNumbers.push_back(202);
MylargeNumbers.push_back(0);
MylargeNumbers.push_back(1000);

cout << "Using older C++ style, elements are: " << endl;
for( vector<int>::const_iterator Iterator = MylargeNumbers.begin();
Iterator < MylargeNumbers.end();
++Iterator )
cout << *Iterator << " ";

cout << endl;

cout << "Using auto to iterate, elements are: " << endl;
for( auto Iterator = MylargeNumbers.begin();
Iterator < MylargeNumbers.end();
++Iterator )
cout << *Iterator << " ";

cout << endl;

return 0;
}
*/