listing3.6.cpp automatic type inference using auto

// listing3.6.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;
}

output:

 

coinFlippedHeads = 1, sizeof(coinFlippedHeads) = 1
largeNumber = 2500000000000, sizeof(largeNumber) = 8

Process returned 0 (0x0)   execution time : 0.356 s
Press any key to continue.