Passing by Reference

void main()

{ void centimise(double&);

double var = 10.0;

cout <<endl<< ‘var = ‘<<var<<’inches’;

centimise(var);

cout <<endl<<’var = ‘ <<var<<’centimeters’;

}

void centimise(double& v)

{

v *= 2.54; //v is the same as var

}

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