//
// This is example code from Chapter 4.4.1.2 "Switch-statements" of
// "Programming -- Principles and Practice Using C++" by Bjarne Stroustrup
//

#include "../std_lib_facilities.h"

//------------------------------------------------------------------------------

int main()
{
    const double cm_per_inch = 2.54; // number of centimeters in an inch
    double length = 1;               // length in inches or centimeters
    char unit = 'a';
    cout<< "Please enter a length followed by a unit (c or i):\n";
    cin >> length >> unit;
    switch (unit) {
    case 'i':
        cout << length << "in == " << cm_per_inch*length << "cm\n";
        break;
    case 'c':
        cout << length << "cm == " << length/cm_per_inch << "in\n";
        break;
    default:
        cout << "Sorry, I don't know a unit called '" << unit << "'\n";
        break;
    }
}

//------------------------------------------------------------------------------