C++20 for Programmers: An Objects-Natural Approach, 3rd Edition

7. (Downplaying) Pointers in Modern C++

Objectives

In this chapter, you’ll:

• Learn what pointers are, and how to 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 pointers to nothing.

• Use C++11’s begin and end library functions with pointer-based arrays.

• Learn various C++ Core ...