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_7

7. Enumerations and Matching

Carlo Milanesi¹  

(1)

Bergamo, Italy

 

In this chapter, you will learn:

• How enums help in defining variables that can take on values only from a finite set of cases

• How enums can be used to implement discriminated union types

• How to use the match pattern-matching construct to handle enums

• How to use the match construct to handle other data types, like integer numbers, strings, and single characters

• How to define enumerations containing fields of data and how to match them with literals

• How to define variables in patterns of match statements

• How to use match expressions ...