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  • Book Overview & Buying Rust Programming By Example
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Rust Programming By Example

Rust Programming By Example

By : Gomez, Antoni Boucher
3.5 (4)
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Rust Programming By Example

Rust Programming By Example

3.5 (4)
By: Gomez, Antoni Boucher

Overview of this book

Rust is an open source, safe, concurrent, practical language created by Mozilla. It runs blazingly fast, prevents segfaults, and guarantees safety. This book gets you started with essential software development by guiding you through the different aspects of Rust programming. With this approach, you can bridge the gap between learning and implementing immediately. Beginning with an introduction to Rust, you’ll learn the basic aspects such as its syntax, data types, functions, generics, control flows, and more. After this, you’ll jump straight into building your first project, a Tetris game. Next you’ll build a graphical music player and work with fast, reliable networking software using Tokio, the scalable and productive asynchronous IO Rust library. Over the course of this book, you’ll explore various features of Rust Programming including its SDL features, event loop, File I/O, and the famous GTK+ widget toolkit. Through these projects, you’ll see how well Rust performs in terms of concurrency—including parallelism, reliability, improved performance, generics, macros, and thread safety. We’ll also cover some asynchronous and reactive programming aspects of Rust. By the end of the book, you’ll be comfortable building various real-world applications in Rust.
Table of Contents (13 chapters)
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3
Events and Basic Game Mechanisms

Playing music


With the MP3 decoder done, we're now ready to play some music. We'll create a new module, called player, which we will add at the top of main.rs:

mod player;

We'll start this module by creating a new player.rs file with the following import statements:

use std::fs::File;
use std::io::BufReader;
use std::path::{Path, PathBuf};
use std::sync::{Arc, Condvar, Mutex};
use std::thread;

use crossbeam::sync::SegQueue;
use pulse_simple::Playback;

use mp3::Mp3Decoder;
use self::Action::*;

We'll also create some constants:

const BUFFER_SIZE: usize = 1000;
const DEFAULT_RATE: u32 = 44100;

The buffer size is the number of samples we'll decode and play to avoid having slowdowns when playing the song and also to avoid using 100% of the CPU by constantly reading and decoding the data at the same time as playing. The default rate will be used when we cannot find one in the MP3 file.

Event loop

To simplify the development of our playing engine, we'll use the concept of an event loop. Some actions...

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Rust Programming By Example
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