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(C++) member function

A member function is a function working on a class.

There are multiple types of member functions:

• const member functions: these do not change the (non-mutable) member variables
• static member functions: these do not have access to an object

Examples

• member function example 1: Hello World
• member function example 2: function pointer to member function

Advice

• Follow a standard member function design. Note: many points of advice!
• Calling a member function a 'method' is wrong [1]
• Always try to localize the effects of change to a class's data members by accessing and manipulating the data members through their corresponding get and set functions [2]

References

1. Stephen C. Dewhurst. C++ Gotchas. 2003. ISBN: 0-321-12518-5. Gotcha #9: 'Wrong: method, right: member function'
2. Paul Deitel, Harvey Deitel. C++11 for programmers (2nd edition). 2014. ISBN: 978-0-13-343985-4. Chapter 3.4, Good Programming Practice 3.1. page 50: 'Always try to localize the effects of change to a class's data members by accessing and manipulating the data members through their corresponding get and set functions'

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