© 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_14

14. Using Changeable Strings

Carlo Milanesi1  
(1)
Bergamo, Italy
 
In this chapter, you will learn:
  • How static strings are implemented

  • How dynamic strings are implemented

  • How you can add characters to or remove characters from a dynamic string

  • How to convert a static string to a dynamic string, and conversely

  • How to concatenate strings

Static Strings

Are the strings that we have used so far changeable?

They may be mutable and so, in a sense, we can change them, like in this code:
let mut a = "Hel";
print!("{}", a);
a = "lo";
print!("{}", a);

This will print: Hello. But in what sense did we change it? We ...

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