b6_3_2.cxx

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b6_3_2.cxx

#include "stream.hxx"

int error (char * p)

{

 cout ‹‹ p ‹‹ " ";

 return 1;

}

class tiny {

 char v;

 tiny assign(int i)

 {v  = (i&~63) ? (error("range error"),0) : i; return *this; }

public:

 tiny (int i) { assign(i); }

 tiny (tiny& t) { v = t.v; }

 tiny operator=(tiny& t1) { v = t1.v; return *this; }

 tiny operator=(int i) { return assign(i); }

 int operator int() { return v; }

};

void main()

{

 tiny c1 = 2;

 tiny c2 = 62;

 tiny c3 = (c2 - c1);

 tiny c4 = c3;

 int i = (c1 + c2);

 c1 = (c2 + (2 * c1));

 c2 = c1 - i;

 c3 = c2;

}