Rust, the best choice for programmers to start a business?

【CSDN Editor's note 】 Startups are often under pressure to choose programming languages , Especially when considering choosing a relatively small number of new languages . You need to consider not only the syntax of the programming language itself 、 performance , We also need to pay attention to its attraction to talents . However , The ultimate choice of this startup company is Rust. Let's take a look at their experience ！

Link to the original text ：https://dailyedit.com/blog/why-rust-is-a-great-choice-for-startups/

Statement ： This paper is about CSDN translate , Please quote source for reprint .

translator | Meniscus      Coordinating editor  | Phoebe

Produce | CSDN（ID：CSDNnews）

We are a short and vigorous team , New things are released every week . Although there are many reasons why we are so efficient , But one of them is that our choice of technology has helped a lot . We will use as much as possible Rust, Because this programming language enables us to accomplish the mission of the company quickly and confidently .

Think of the original , When the project started , We have only three members . I am the only engineer in the team , So I am free to choose languages and tools . Although it sounds good , But I'm under a lot of pressure . In addition to machine learning, it is obvious that Python outside , Everything else is up in the air . We should choose mediocre Java？ Or should choose to have a strong community Python？ Or should we use JavaScript, Because this language can write almost all software ？

Each alternative has its pros and cons , So I've been spinning around . Breaking the infinite loop is a simple problem ： Choosing which programming language will attract talented people , Let's be more confident 、 Release products more frequently ？

therefore , We chose Rust, Now, although our project has matured , but Rust It is still the driving force for our growth and success .

Background introduction

In the course of career development , I have dabbled in many programming languages 、 Editor 、 Tools and methodology .1994 year , I started trying QBasic and MS-DOS Bring your own game Gorillas. I soon came into contact with C, And start at Unix Working on the platform . Later, I learned C++、Python、PHP、Ruby, Of course, JavaScript. Some of them are just for fun , Especially when you're young , Like to try various programming languages .

2015 year , I heard that Rust, Then start trying . Friends keep saying Rust Your grammar is excellent , But I doubt , Because I am like many others , Think C Is the best system language , Because it is so simple and easy to reason .

Until I started using it Rust.

Soon my suspicions disappeared , Actually I'm using C I made a lot of mistakes in language , For example, memory leaks 、 Use the memory after it is released , When used C When you build a small program using the , Don't feel too big a problem , But when you start using libraries , When passing a pointer to another black box , Everything will become chaotic .Rust Let me realize , My programming level is not as high as I thought . The compiler is like a stubborn simulator coach , No matter how well you do , Can not get its recognition . I am here “borrow checker” The stage of is in a bitter struggle , It's like kicking your toe into a corner , The pain pierced my heart and lungs .

But the feeling soon passed .

It took me about 3 A month ago , And I got used to it Rust. later , I started using Rust Writing more complex systems , For example, distributed job queues with asynchronous behavior , And FPGA Interface embedded system , Gradually I began to feel Rust The power of . Use Rust It's like fitness , You must work hard to feel the effect . After these projects , I haven't encountered many annoying compilers , And the organization of the code can be clearly seen early in any project . This is it. Rust, Although a little unpleasant , But it does help you build a good architecture .

but Rust The biggest advantage is not that .

The biggest advantage is , Building large and complex systems , At the same time, after successfully passing the compiler , The resulting binary file will work properly , And it can ensure that it is always normal .Rust The amount of debugging required for the project is one order of magnitude less than I have seen anywhere else . You can use a marked Union （Rust Enumeration ） Something like that , Write clear code . This has greatly increased my confidence in deployment . secondly , Any project has regular changes and maintenance . Usually , New engineers in the company need to spend a lot of time , Delve into code . However , be familiar with Rust The code is very easy , If the new engineer changes the existing code in a strange way , The compiler will point out .

Attract talents

Now Rust The development of has entered its heyday , Many blog posts praise you by name , Of course, there are many blog posts that expose its shortcomings . It's a good phenomenon , That means using Rust A lot of people . Although I like Rust, But other engineers ？ We choose Rust Such a relatively small number of languages , The biggest worry is that the talent pool may be too small . What do they think of the world's top talents Rust, What tools will they choose ？

This problem is like a pony crossing a river , It takes hands-on practice . therefore , We contacted Rust News email , And issued a recruitment notice . We are a telecommuting company , We don't care where the engineers choose to live . Fortunately, ,Jack Dorsey On twitter ：“Rust Is a perfect programming language ”.

For the next eight weeks , I received emails from nearly 4000 Applicants . Four thousand ！ Actually , Many people don't Rust Experience , But they are all right Rust Interested in . All of a sudden , I feel like I have a world-class engineering team .

It seems that we are right Rust The fear of the talent pool is unnecessary . This is a very attractive programming language for programmers .

The actual use Rust

We decided to use it wherever possible Rust. Now our Web The backend is used. Rust Built , The background task processor also uses Rust Compiling , Even the scheduler of the analysis engine is Rust. But some places do not use Rust, Because there are many great libraries in these fields , but Rust Ecosystems do not yet exist . And mobile apps , We use Flutter.

People often say that ,Rust One of the disadvantages of is that the grammar is too verbose , It takes a long time to read and write . This is true , But some are just exaggerations . for example , In our entire code base , There are only a dozen times when you write comments manually . This is not common in application code .

Use Rust, More preparatory work in the early stage . You need to overcome a bunch of compiler constraints . However , Although the experience increases , Writing code will get faster and faster . In just a few weeks , Has made great progress , The speed of work is getting faster and faster . Our team agreed to understand Rust Code is much less difficult than many other languages .Rust There is little confusion and ambiguity in the code , Just read the code , You know exactly what the program is going to do .

Our team of engineers is very awesome , Code iterations are very fast . We decided to use Rust The code rewrites a complete and complex module , And we are sure that it will work properly after compilation . Sometimes our logic goes wrong , Or our understanding of the problem is not completely correct , But these are the problems you will encounter no matter what language you use , But if it is a task that needs to be put into production , Then use Rust It allows us to finish the work faster .

Use Rust Write code , Not only do we need fewer Engineers , And more long-term development .

performance

Rust Very fast , Even better than Python、Ruby、JavaScript and Java A few orders of magnitude .

For startups , High performance means fewer servers are required , The corresponding operating expenses are also lower . As a startup , If you need to spend money to build one that can only support hundreds of requests per second Web The server , Then soon your money will dry up .

Someone might retort that ,“ Engineer time is more precious than computer time ”, That's right , But use Rust It can also save engineers' time , Kill two birds with one stone .

Should startups all use Rust？

I'm not a consultant for a startup .

As the introduction at the beginning of this article , There is a lot of pressure to choose programming languages for startups , In particular, choose a relatively small number of new languages , I'm scared too . however , According to the use so far Rust From the experience of , We don't want to try any other language . although Rust It's a little difficult to get started , But the rewards are also very generous .

In the hands of experienced teams ,Rust It will become a kind of super power .

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