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Wacknia is attempting to simulate the recording industry where a copy of a recording R is less faithful than the original. Member depth is meant to record the degree of imperfection. But to her surprise the program above is printing "1 1 0" rather than the expected "2 1 0". What's going on?
bug1772.cpp lint Output
--- Module: bug1772.cpp (C++) _ return r; bug1772.cpp(11) : Info 1772: Assignment operator 'R::operator=(const R &)' is not returning *this
Reference Manual Explanation
1772 Assignment operator 'Symbol' is not returning *this -- The assignment operator should return *this. This is to allow for multiple assignments as in: a = b = c; It is also better to return the object that has just been modified rather than the argument.
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