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Advanced C++ [Instructor Edition]

Advanced C++ [Instructor Edition]

By : Gazihan Alankus, Olena Lizina, Rakesh Mane, Vivek Nagarajan, Brian Price
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Advanced C++ [Instructor Edition]

Advanced C++ [Instructor Edition]

1 (1)
By: Gazihan Alankus, Olena Lizina, Rakesh Mane, Vivek Nagarajan, Brian Price

Overview of this book

C++ is one of the most widely used programming languages and is applied in a variety of domains, right from gaming to graphical user interface (GUI) programming and even operating systems. If you're looking to expand your career opportunities, mastering the advanced features of C++ is key. The course begins with advanced C++ concepts by helping you decipher the sophisticated C++ type system and understand how various stages of compilation convert source code to object code. You'll then learn how to recognize the tools that need to be used in order to control the flow of execution, capture data, and pass data around. By creating small models, you'll even discover how to use advanced lambdas and captures and express common API design patterns in C++. As you cover later lessons, you'll explore ways to optimize your code by learning about memory alignment, cache access, and the time a program takes to run. The concluding lesson will help you to maximize performance by understanding modern CPU branch prediction and how to make your code cache-friendly. By the end of this course, you'll have developed programming skills that will set you apart from other C++ programmers.
Table of Contents (11 chapters)
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7
6. Streams and I/O

Specifying Types – Functions

Now that we can declare a variable to be of a certain type, we need to do something with those variables. In C++, we do things by calling a function. A function is a sequence of statements that deliver an outcome. That outcome could be a mathematical calculation (for example, an exponent) that is then sent to a file or written to a Terminal.

Functions allow us to break our solution into sequences of statements that are easier to manage and understand. As we write these packaged statements, we can reuse them where it makes sense. If we need it to operate differently based on the context, then we pass in an argument. If it returns a result, then the function needs a return type.

As C++ is a strongly typed language, we need to specify the types related to the functions that we implement – the type of value returned by the function (including no return) and the type of argument(s) that are passed to it, if any.

The following is a typical hello world...

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Advanced C++ [Instructor Edition]
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