What you need to know to get started with rust

April 5, 2022 0 Comments

Rust is very much in development, but if all goes well it will have a bright future.

Rust has an interesting history, especially since it is still under construction. Given the limitations of the browser engine, development began in the days when text was the main component of web pages, Mozilla Server began to develop, a next generation web engine that would be extremely parallel. It will take advantage of the growing trend of multi-core CPUs on devices and modernize the way web content is rendered. Current generation languages ​​like C and C ++ also begin to show their age and inadequacy when faced with the task of coding such engines. Rust was the answer to a problem Mozilla created for itself; Where will the web be in another decade? Just as rust is currently in constant development, so is its largest project, Servo. A complex project like a web rendering engine is the perfect testbed for a language. Ten years from now, Firefox – or Mozilla’s next browser – may be behind the server – and rust will be behind the server.

Rust claims to have a focus on “high-level, bare-metal programming” and is pretty clear once you start exploring the language. First, the formal implementation of Rust is a compiler that creates a binary file. Second, it includes many features found in languages ​​such as Python and Ruby that greatly improve the productivity of the developer. Nevertheless, it also offers many power features in low-level languages ​​like C, such as pointers. In fact, since it began to evolve at a time when multi-core computers are so popular, it makes it easier than ever to write multi-threaded applications.

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The Servo has already passed the ACID2 test, and performs significantly better than the current Firefox Gecko engine.

A big goal of Rust is to be a safe language despite being low-level; Do not compromise on performance security. This has led to some interesting design choices for the language. Rust takes many hints from functional programming languages ​​and has many features – such as pattern matching – that will be familiar to those who prefer functional language. In fact Rust variables are unchanged by default (meaning they cannot be changed after assignment). Although Rust was started as a private project in Mozilla by Gradon Hoare, Rust was a community-led project at the time. This is then the perfect opportunity to rust on the ground floor, and not just to learn a language that could one day be significant, but to shape it.


Rust is a language that is still very much in development, so its future is difficult to assess right now. Given that it has been around for almost 5 years, is still getting stronger, and has a big company like Mozilla behind it, it will not one day suddenly disappear from the face of the earth. It’s a language strongly tied to Mozilla’s future browser development, so at least some great software has been built into it. Rust’s syntax and semantics are still flowing This can be a negative for those who are trying to learn a language. Especially to find out that a perfectly good program runs one day and fails in the next release. However, for those who are interested in studying programming languages, and developing them, this is a great opportunity.

Although new, and evolving universally with the contribution of the community, the rust is at an earlier and more exciting stage where there are more opportunities for change and backward compatibility is not very much a problem. This is a perfect opportunity for anyone who wants to get involved in the development of a programming language. Even if you are not interested in this aspect of programming, developing a language can give you insight into the programming language you are currently using. Even before the release of the first stable version, or before reaching a stable specification, it began to influence other languages. For example, it is a language that influenced Swift, Apple’s recently released programming language for iOS and OSX development.

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The above simple code sample runs each iteration of the loop on a separate thread. Each time you run this code, the order of the output will be different depending on the order in which the threads will be executed.

The most interesting thing about rust is that it is incredibly easy to do seemingly complex things. For example, creating a synchronous application that runs multiple threads where it works on the same problem bits when coordinating with each original thread; It can be a pain in many languages. But solving this challenge is something that has been built around rust and as such you can find syntax to do things like this compared to many other languages. For example, if you want to create an application that prints “Hello World” from a separate thread, it will be as simple as: ‘spawn (move || {println! (“Hello, world! {}”, X);}) ; ‘ Note that the above syntax may change (it is already in stable 0.12 to 0.13 development).

Rust also has a complex system for controlling access to pointers so that you never fall into situations that cause crashes due to misuse of pointers. This main functionality is good at tracking pointer memory usage without penalty.
Finally, rust makes it easy to integrate with legacy C code with efficient C binding.

Oh world

fn main() {

println!(“Hello, World!”);


Whether it will still work as a Hello World app in a year, we don’t know – it probably will – but it’s for sure now! Rust keeps things simple when you’re trying to do simple things when you have enough energy to perform complex things when needed.


fn insertion_sort(uarr: &mut [int]) {

    for idx in range(1u, uarr.len()) {

        let curr_value = uarr[idx];

        let mut pos = idx;     

        while pos > 0 && uarr[pos - 1] > curr_value {

            uarr[pos] = uarr[pos - 1];

            pos -= 1;


        uarr[pos] = curr_value;



At first glance it may look like some C or C ++ code, but there are some interesting differences. For one, for and when there are no brackets around the expressions followed. Another notable difference is that you do not have to declare the type of a variable if it is clear from the declaration.
You will also notice that we declare ‘curr_value’ as ‘let curr_value = uarr'[idx]; ‘ When for ‘pos’ we use ‘let mut pos = idx;’ Let’s announce. This is because the default variable in Rust cannot be changed once it is set; So if we want a variable that needs to change constantly, we need to declare it explicitly as a variable. Since we want to make changes to sort the incoming array, the array also needs to be changeable.

Tools and Learning Resources

Given that the rust is still very much in development, and today’s syntax may not work tomorrow, the best place to learn a language is the official website. While other tutorials and blog posts that introduce the language may exist, they are more likely to become obsolete as you read them. The official documentation and guides provided at rust-lang.org are kept up to date as the language develops, so you can be sure that the information there is accurate and up to date. It helps that the official documentation of the language on its website is very good and detailed. Rust is also currently developing so fast that there is no IDE that officially supports it. You will find the closest plugins for Eclipse and JetBrains’ IDEA IDE that add support for rusty language. The IDEA plugin can be installed from the IDE’s Plugin Management System, and can be found by searching for rust. Currently this plugin does not support anything other than syntax highlighting for Rust source code, although it is planned and coming soon. The Eclipse plugin is called Rusticase and offers a few more features.

Plugins are also available in Atom, Sublime Text and Emacs that add autocomplete support for syntax highlighting and Rust. A syntax highlighting plugin is available for Vim lovers. Currently the best support for rust is available for Sublime Text. Its plugins allow not only syntax highlighting and autocomplete, but also compile and run applications from within the editor. If you want to download the Rust Compiler yourself, you will find that the language is still in development, so it is currently a bit more difficult to install than other languages. The only Linux repository where you will find Rusty Compiler is unofficial, which may or may not keep it updated.

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A syntax highlighting plugin can easily be installed for GitHub’s free Atom code editor.

Then the best way to get rust compilers and libraries is through the official website which offers 32 bit and 64 bit packages for Linux, OSX and Windows. The website also offers two language versions, a ‘stable’ version (currently 0.12A) and a nightly version that is constantly updated. The proposed version is the nocturnal version since the syntax of the ‘stable’ version is usually already obsolete with the continuous development of the nocturnal version.

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