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Speaker notes for “Rust Ecosystem”

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Martin Geisler 2023-01-07 16:52:30 +01:00 committed by Martin Geisler
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src/cargo/rust-ecosystem.md
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@ -15,3 +15,32 @@ The Rust ecosystem consists of a number of tools, of which the main ones are:
In addition, `rustup` can also download documentation for the standard
library. You can have multiple versions of Rust installed at once and `rustup`
will let you switch between them as needed.
<details>
Key points:
* Rust has a rapid release schedule with a new release coming out
every six weeks. New releases maintain backwards compatibility with
old releases --- plus they enable new functionality.
* There are three release channels: "stable", "beta", and "nightly".
* New features are being tested on "nightly", "beta" is what becomes
"stable" every six weeks.
* Rust also has [editions]: the current edition is Rust 2021. Previous
editions were Rust 2015 and Rust 2018.
* The editions are allowed to make backwards incompatible changes to
the language.
* To prevent breaking code, editions are opt-in: you select the
edition for your crate via the `Cargo.toml` file.
* To avoid splitting the ecosystem, Rust compilers can mix code
written for different editions.
[editions]: https://doc.rust-lang.org/edition-guide/
</details>