![]() Rust works hard to provide strong guarantees about the stability of the features provided on the beta and stable channels. This approach allows for experimentation while providing strong backwards-compatibility guarantees for the stable channel.įor additional details, read the Rust blog post “Stability as a Deliverable.”Ĭan I use unstable features on the beta or stable channel? New features land as unstable, and are “ungated” once approved by the core team and relevant subteams. Language and standard library features marked unstable or hidden behind feature gates may only be used on the nightly release channel. Stable and beta are updated every six weeks, with the current nightly becoming the new beta, and the current beta becoming the new stable. Rust maintains three “release channels”: stable, beta, and nightly. More detailed guidelines for minor version changes are available as approved RFCs for both the language and standard library. Rust’s language versioning follows SemVer, with backwards incompatible changes of stable APIs only allowed in minor versions if those changes fix compiler bugs, patch safety holes, or change dispatch or type inference to require additional annotation. Now that Rust has reached 1.0, the language is guaranteed to be “stable” and while it may continue to evolve, code which works on current Rust should continue to work on future releases. ![]() Also, in the run up to 1.0 a lot of the standard library was rewritten as early designs were updated to best use Rust’s features and provide quality, consistent cross-platform APIs. In pursuit of this goal it explored a lot of ideas, some of which it kept (lifetimes, traits) while others were discarded (the typestate system, green threading). Rust started with a goal of creating a safe but usable systems programming language. Post in /r/rust, the unofficial Rust subreddit.Ask on Stack Overflow with the “rust” tag.Ask in the official Rust IRC channel (#rust on ).Post in, the official Rust users forum.If you want to try Rust on your system, install it and go through the Guessing Game tutorial in the book. The easiest way to try Rust is through the playpen, an online app for writing and running Rust code. The two biggest open source Rust projects right now are Servo and the Rust compiler itself. What examples are there of large Rust projects? They are also working to integrate Rust components into Firefox. The main project is Servo, an experimental browser engine Mozilla is working on. It must eventually work without unnecessary compromises on widely-used hardware and software platforms. We do not demand that Rust run on “every possible platform”.We do not intend to be 100% static, 100% safe, 100% reflective, or too dogmatic in any other sense.Rust should provide majority-case features. We do not intend to cover the complete feature-set of C++, or any other language.These are desirable but subordinate goals. We do not prize expressiveness, minimalism or elegance above other goals.We do not employ any particularly cutting-edge technologies.For changes which do not require an RFC, decisions are made through pull requests on the rustc repository. Designs in each of these areas are advanced through an RFC process. There are also subteams to guide and foster development of particular areas of interest, including the core language, the compiler, Rust libraries, Rust tools, and moderation of the official Rust communities. The Rust Team is composed of both Mozilla and non-Mozilla members, and rust on GitHub has had over 1,900 unique contributors so far.Īs far as project governance goes, Rust is managed by a core team that sets the vision and priorities for the project, Though it remains sponsored by Mozilla, Rust is developed by a diverse community of enthusiasts from many different places around the world. ![]() Mozilla got involved in 2009 once the language was mature enough to run basic tests and demonstrate its core concepts. Rust started as Graydon Hoare’s part-time side project in 2006 and remained so for over 3 years. Rust exists as an alternative that provides both efficient code and a comfortable level of abstraction, while improving on all four of these points. They offer limited control over resources.There is a lack of practical affordances.There is too little attention paid to safety.Rust exists because other languages at this level of abstraction and efficiency are unsatisfactory. To design and implement a safe, concurrent, practical systems language. ![]()
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