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Tip of the Day
Language: C++
Expertise: Beginner
Sep 28, 2004

Simplify Operator Overloading

For beginning C++ programmers, operator overloading may seem like a complicated task, but in fact, it's really simple. You can overload operators in two ways:
  • On non-member functions.
  • On member functions.
When overloading operators on non-member functions, the expression looks like @ is the operator and a and b are two separate objects that are pass into operator @(a,b).

This example isn't necessarily useful, but it helps to explain overloading operators on non-member functions.


int operator+(int a, int b)
{
   return (a + b);
}
When overloading operators on member functions, the expression looks like a is some other object. The function should look like this: operator @(a). Simple right? Here's what it looks like:

void class::operator++()
{
   m_myData++;
}



Sophy Pal
 
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