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What is Rust?

Rust is a systems programming language that combines strong compile-time correctness guarantees with fast performance. It improves upon the ideas of other systems languages like C++ by providing guaranteed memory safety (no crashes, no data races) and complete control over the lifecycle of memory.
Rust is a tool in the Languages category of a tech stack.
Rust is an open source tool with 41.1K GitHub stars and 6.3K GitHub forks. Here’s a link to Rust's open source repository on GitHub

Who uses Rust?

Companies
154 companies reportedly use Rust in their tech stacks, including Dropbox, Sentry, and Postmates.

Developers
682 developers on StackShare have stated that they use Rust.

Rust Integrations

Sentry, Airbrake, Google Code Prettify, Ethereum, and Iron are some of the popular tools that integrate with Rust. Here's a list of all 44 tools that integrate with Rust.

Why developers like Rust?

Here’s a list of reasons why companies and developers use Rust
Rust Reviews

Here are some stack decisions, common use cases and reviews by companies and developers who chose Rust in their tech stack.

James Cunningham
James Cunningham
Operations Engineer at Sentry · | 18 upvotes · 48K views
atSentrySentry
Python
Python
Rust
Rust

Sentry's event processing pipeline, which is responsible for handling all of the ingested event data that makes it through to our offline task processing, is written primarily in Python.

For particularly intense code paths, like our source map processing pipeline, we have begun re-writing those bits in Rust. Rust’s lack of garbage collection makes it a particularly convenient language for embedding in Python. It allows us to easily build a Python extension where all memory is managed from the Python side (if the Python wrapper gets collected by the Python GC we clean up the Rust object as well).

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marcoalmeida
marcoalmeida
Go
Go
C
C
Python
Python
Rust
Rust

One important decision for delivering a platform independent solution with low memory footprint and minimal dependencies was the choice of the programming language. We considered a few from Python (there was already a reasonably large Python code base at Thumbtack), to Go (we were taking our first steps with it), and even Rust (too immature at the time).

We ended up writing it in C. It was easy to meet all requirements with only one external dependency for implementing the web server, clearly no challenges running it on any of the Linux distributions we were maintaining, and arguably the implementation with the smallest memory footprint given the choices above.

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Dan Larsen
Dan Larsen
CTO at FlowStack · | 7 upvotes · 37.8K views
atFlowStack ApSFlowStack ApS
Go
Go
Rust
Rust
C
C
C++
C++

At FlowStack we write most of our backend in Go. Go is a well thought out language, with all the right compromises for speedy development of speedy and robust software. It's tooling is part of what makes Go such a great language. Testing and benchmarking is built into the language, in a way that makes it easy to ensure correctness and high performance. In most cases you can get more performance out of Rust and C or C++, but getting everything right is more cumbersome.

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C++
C++
Rust
Rust

Initially, I wrote my text adventure game in C++, but I later rewrote my project in Rust. It was an incredibly easier process to use Rust to create a faster, more robust, and bug-free project.

One difficulty with the C++ language is the lack of safety, helpful error messages, and useful abstractions when compared to languages like Rust. Rust would display a helpful error message at compile time, while C++ would often display "Segmentation fault (core dumped)" or wall of STL errors in the middle. While I would frequently push buggy code to my C++ repository, Rust enabled me to only even submit fully functional code.

Along with the actual language, Rust also included useful tools such as rustup and cargo to aid in building projects, IDE tooling, managing dependencies, and cross-compiling. This was a refreshing alternative to the difficult CMake and tools of the same nature.

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Rust
Rust

Rust I don't mind fighting with the borrow checker so much, once I accepted that it's right more often than I am.

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Rust
Rust

Rust is used in Shirogane (https://github.com/Marc3842h/shirogane).

Shirogane is a osu! beatmap mirror built for shiro. We use Rust because of memory safe but still low level and high performance. Rust

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Rust Alternatives & Comparisons

What are some alternatives to Rust?
C
Swift
Writing code is interactive and fun, the syntax is concise yet expressive, and apps run lightning-fast. Swift is ready for your next iOS and OS X project — or for addition into your current app — because Swift code works side-by-side with Objective-C.
Python
Python is a general purpose programming language created by Guido Van Rossum. Python is most praised for its elegant syntax and readable code, if you are just beginning your programming career python suits you best.
Haskell
PHP
Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world.
See all alternatives

Rust's Followers
954 developers follow Rust to keep up with related blogs and decisions.
Krishnagopal Thogiti
Steven Golhen
Flávio Tassan
Evan Wright
Hasitha Adikari
ayonsaha2011
Raj Singh
Dominik Nakamura
Ender-events
Tom Bazarnik