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;

}