Re: Question about overloaded operator "*" of auto_ptr
Zongjun Qi wrote:
In auto_ptr declaration, we can find auto_ptr overloaded the
"dereference" operator "*". Below is its signature:
T& operator*() {return *ptr;}
But my question is: since overloaded operators only expect to work with
a LEFT OPERAND of a instance of the class [...]
Instead, according to the overloaded operator usage syntax, we should
use it like this
p* = 8. [...]
Seems like you have to hit the books a little -- go back to
your favourite C++ book's chapter on operator overloading, and
you should immediately understand why, after reading about the
rules of operator overloading (possibly in a section "Rules and
Limitations about operator overloading" in that chapter). (you
could also try a Google search for online tutorials -- I'm sure
you'llfind many)
Also, ask yourself the following: is that operator* a unary or
a binary operator? What about operator overloading for each of
these categories?
HTH,
Carlos
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