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Learning Rust

You're reading from   Learning Rust A comprehensive guide to writing Rust applications

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Product type Paperback
Published in Nov 2017
Publisher Packt
ISBN-13 9781785884306
Length 308 pages
Edition 1st Edition
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Author (1):
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Vesa Kaihlavirta Vesa Kaihlavirta
Author Profile Icon Vesa Kaihlavirta
Vesa Kaihlavirta
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Table of Contents (15) Chapters Close

Preface 1. Introducing and Installing Rust FREE CHAPTER 2. Variables 3. Input and Output 4. Conditions, Recursion, and Loops 5. Remember, Remember 6. Creating Your Own Rust Applications 7. Matching and Structures 8. The Rust Application Lifetime 9. Introducing Generics, Impl, and Traits 10. Creating Your Own Crate 11. Concurrency in Rust 12. Now It's Your Turn! 13. The Standard Library 14. Foreign Function Interfaces

Task 2 – cleaning the code (part 2)

While each function is kept apart in the crate, we can always clean up the code to make it safer (we have a single public function and keep the calculations away from prying eyes).

The task

Each function takes a single parameter of either the f32 or i32 type and thankfully, we can separate out the modules to be those that return an f32 or i32 (the bases all return i32: all of the others have their answers in f32).

If we look at the temperatures module, everything will return the answer as f32 (after task 1, how it does this is up to you). We can therefore create a single function that takes as the first parameter the conversion to be performed and as the second the value...

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