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How to differentiate (when overloading) between prefix and postfix forms of operator++? (C++)

Suppose I need to overload an operator function which performs 2 functions.

For example, the first function handles prefix increment and the second function handles postfix. Is there any different syntax for this?

Answer 1

This has already been answered: How to differentiate (when overloading) between prefix and postfix forms of operator++? (C++)

The gist of the answer is that prefix takes no parameter, postfix takes an unused int parameter.

A &operator++()    { ... } //prefix
A  operator++(int) { ... } //postfix

Cheers,
Aaron