Beginning Rust: Get Started with Rust 2021 Edition

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022

C. MilanesiBeginning Rusthttps://doi.org/10.1007/978-1-4842-7208-4_4

4. Controlling Execution Flow

Carlo Milanesi¹  

(1)

Bergamo, Italy

 

In this chapter, you will learn:

• How to use if statements to execute different statements based on a Boolean condition

• How to use if expressions to generate different values based on a Boolean condition

• How to use while statements to repeat some statements as long as a Boolean condition holds

• How to use for statements to repeat some statements for a definite number of times

• What is the scope of validity of variables

Conditional Statements (if)

The main usage of Boolean values, introduced in the previous chapter, is in making decisions ...