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(C++) Given the following definition of Value::operator= 1 Value& operator=(const Value &rhs) 2 { 3 if (&rhs == this) 4 return *this; 5 v =
(C++) Given the following definition of
Value::operator=
1 Value& operator=(const Value &rhs)
2 {
3 if (&rhs == this)
4 return *this;
5 v = rhs.v;
6 return *this;
7 }
Explain the meaning of '&' on line 1 and on line 3 separately.
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