Beginning Rust: From Novice to Professional

© Carlo Milanesi 2018

Carlo MilanesiBeginning Rusthttps://doi.org/10.1007/978-1-4842-3468-6_16

16. Using Iterators

Carlo Milanesi¹ 

(1)

Bergamo, Italy

 

In this chapter, you will learn:

• How characters are stored in Rust strings, and why they do not allow direct access

• How to read string characters or string bytes using iterators

• How to read items from slices, arrays, and vectors using iterators

• How to modify items from slices, arrays, and vectors using mutating iterators

• How to use some iterator adapters: filter, map, and enumerate

• How to use some iterator consumers: any, all, count, sum, min, max, and collect

• The concept of lazy processing in iterator chains

String Characters

We already saw that Rust has both static strings and dynamic strings , and that ...