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C/C++ Source Codes

"operators overload" can be used to define the basic symbolic operators for new sorts of parameters

//The "operators overload" can be used to define the basic
//symbolic operators for new sorts of parameters :
#include <iostream.h>
struct vector
double x;
double y;
vector operator * (double a, vector b)
vector r;
r.x = a * b.x;
r.y = a * b.y;
return r;
void main ()
vector k, m; // No need to type "struct vector"
k.x = 2; // Keep cool, soon you'll be able
k.y = -1; // to write k = vector (45, -4).
m = 3.1415927 * k; // Magic !
cout << "(" << m.x << ", " << m.y << ")" << endl;

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