C++20 for Programmers, 3rd Edition

Chapter 5. Functions

Objectives

In this chapter, you’ll:

■ Construct programs modularly from functions.

■ Use common math library functions and learn about math functions and constants added in C++20, C++17 and C++11.

■ Declare functions with function prototypes.

■ View many key C++ Standard Library headers.

■ Use random numbers to implement game-playing apps.

■ Declare constants in scoped enums and use constants without their type names via C++20’s using enum declarations.

■ Make long numbers more readable with digit separators.

■ Understand the scope of identifiers.

■ Use inline functions, references and default arguments.

■ Define overloaded ...