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_2

2. Doing Arithmetic and Writing More Code

Carlo Milanesi¹  

(1)

Bergamo, Italy

 

In this chapter, you will learn:

• How to compute an arithmetic operation between integer numbers or between floating-point numbers

• How to write a program containing several statements

• How to print strings in several lines

Adding Integer Numbers

Let’s see how to compute the sum of two integer numbers, for example, 80 and 34.

Put the following line as the only contents within the braces of the main function:

print!("The sum is {}", 80 + 34);

The execution will print: The sum is 114.

The second argument of the print macro is ...