C++20 for Programmers, 3rd Edition

Chapter 7. (Downplaying) Pointers in Modern C++

Objectives

In this chapter, you’ll:

■ Learn what pointers are, and declare and initialize them.

■ Use the address (&) and indirection (*) pointer operators.

■ Compare the capabilities of pointers and references.

■ Use pointers to pass arguments to functions by reference.

■ Use pointer-based arrays and strings mostly in legacy code.

■ Use const with pointers and the data they point to.

■ Use operator sizeof to determine the number of bytes that store a value of a particular type.

■ Understand pointer expressions and pointer arithmetic that you’ll see in legacy code.

■ Use C++11’s nullptr to represent ...