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_15

15. Ranges and Slices

Carlo Milanesi¹  

(1)

Bergamo, Italy

 

In this chapter, you will learn:

• How to use closed ranges and open-ended ranges, both right-exclusive and right-inclusive

• How to define and use slices of arrays, vectors, or other slices, using ranges

The Ranges

We already saw a way to write a for loop:

for i in 0..12 { println!("{}", i); }

But there is another possible way to write it:

let dozen = 0..12;

for i in dozen { println!("{}", i); }

This shows that the 0..12 clause is not a part of the for statement syntax, but it is an expression, whose value can be assigned to a variable; that ...