Chapter 9. Using Structures and Unions

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  • Learn to create new data types with structures

  • See how to create arrays of structures

  • Use functions as structure members

  • Learn to create new data types with unions

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Creating New Data Types with Structures

As you learned briefly back in Chapter 2, “Exploring C++ Data Types, Variables, and Constants,” a structure is a data type that groups other data types together into a single, compound data type. Structures make it easy to keep variables logically related within source code by making them members of a common structure.

Everything in the real world is made up of component parts—everything has some sort of structure. A personal computer has structure, for example. It’s made up of an assemblage ...

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