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Defining Your Own C++ Functions

Defining Your Own C++ Functions by Larry Ullman
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This mini guide covers exactly what you need to know about defining your own C++ functions, and nothing more. Why define functions? The premise behind any function in any language is simple: encapsulate a process under one name. Then, by calling that name (invoking the function), you can repeat that sequence of steps with ease. New to C++? No problem. You’ll get all the fundamentals, techniques, and key concepts you need to understand how to define and call your own functions. First you’ll create a simple function, one that takes no arguments and returns no values. Then you’ll begin writing functions that take required arguments, optional arguments, and overloading. The guide concludes with a lesson on variable scope: understanding where variables exist.

Pearson Education; September 2006
37 pages; ISBN 9780321481160
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Title: Defining Your Own C++ Functions
Author: Larry Ullman; Andreas Signer