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(C++) data member

A data member, or member variable, is a variable internal to a class.

The class shown below has a single data member called 'm_x', which is of type int:

Use a consistent method (such as a d_ prefix) to highlight class data members [1].

References

1. John Lakos. Large-Scale C++ Software Design. 1996. ISBN: 0-201-63362-0. Chapter 2.7: 'Use a consistent method (such as a d_ prefix) to highlight class data members'

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