The Age-Related Eye Disease Study (AREDS) - sponsored by the Federal governmentâs National Eye Institute - has found that taking high levels of antioxidants and zinc can reduce the risk of developing advanced age-related macular degeneration (AMD) by about 25 percent.
C++ Overloading (Operator and Function) C++ allows you to specify more than one definition for a function name or an operator in the same scope, which is called function overloading and operator overloading respectively.
There are two things to note: To overload the function that casts our class to an int, we write a new function in our class called operator int(). Note that there is a space between the word operator and the type we are casting to. Casting operators do not have a return type. C++ assumes you will be returning the correct type. Now in our example, we can call printInt() like this: