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126 lines
4.5 KiB
Markdown
126 lines
4.5 KiB
Markdown
<div class="oranda-hide">
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# Rustlings 🦀❤️
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</div>
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Greetings and welcome to Rustlings.
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This project contains small exercises to get you used to reading and writing Rust code.
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This includes reading and responding to compiler messages!
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It is recommended to do the Rustlings exercises in parallel to reading [the official Rust book](https://doc.rust-lang.org/book/), the most comprehensive resource for learning Rust 📚️
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[Rust By Example](https://doc.rust-lang.org/rust-by-example/) is another recommended resource that you might find helpful.
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It contains code examples and exercises similar to Rustlings, but online.
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## Getting Started
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### Installing Rust
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Before installing Rustlings, you need to have _Rust installed_.
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Visit [www.rust-lang.org/tools/install](https://www.rust-lang.org/tools/install) for further instructions on installing Rust.
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This'll also install _Cargo_, Rust's package/project manager.
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> 🐧 If you're on Linux, make sure you've installed `gcc` (for a linker).
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>
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> Deb: `sudo apt install gcc`.
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> Dnf: `sudo dnf install gcc`.
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> 🍎 If you're on MacOS, make sure you've installed Xcode and its developer tools by running `xcode-select --install`.
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### Installing Rustlings
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The following command will download and compile Rustlings:
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<!-- TODO: Remove @6.0.0-beta.x -->
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```bash
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cargo install rustlings@6.0.0-beta.4
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```
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<details>
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<summary><strong>If the installation fails…</strong> (<em>click to expand</em>)</summary>
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<!-- TODO: Remove @6.0.0-beta.x -->
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- Make sure you have the latest Rust version by running `rustup update`
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- Try adding the `--locked` flag: `cargo install rustlings@6.0.0-beta.4 --locked`
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- Otherwise, please [report the issue](https://github.com/rust-lang/rustlings/issues/new)
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</details>
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### Initialization
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After installing Rustlings, run the following command to initialize the `rustlings/` directory:
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```bash
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rustlings init
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```
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Now, go into the newly initialized directory and launch Rustlings for further instructions on getting started with the exercises:
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```bash
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cd rustlings/
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rustlings
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```
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## Doing exercises
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The exercises are sorted by topic and can be found in the subdirectory `exercises/<topic>`.
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For every topic, there is an additional `README.md` file with some resources to get you started on the topic.
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We highly recommend that you have a look at them before you start 📚️
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Most exercises contain an error that keeps them from compiling, and it's up to you to fix it!
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Some exercises contain tests that need to pass for the exercise to be done ✅
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### Watch Mode
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After [initialization](#initialization), Rustlings can be launched by simply running the command `rustlings`.
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This will start the _watch mode_ which walks you through the exercises in a predefined order (what we think is best for newcomers).
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It will rerun the current exercise automatically every time you change the exercise's file in the `exercises/` directory.
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<details>
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<summary><strong>If detecting file changes in the <code>exercises/</code> directory fails…</strong> (<em>click to expand</em>)</summary>
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> You can add the **`--manual-run`** flag (`rustlings --manual-run`) to manually rerun the current exercise by entering `r` or `run` in the watch mode.
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>
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> Please [report the issue](https://github.com/rust-lang/rustlings/issues/new) with some information about your operating system and whether you run Rustlings in a container or virtual machine (e.g. WSL).
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</details>
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### Exercise List
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In the [watch mode](#watch-mode) (after launching `rustlings`), you can enter `l` or `list` to open the interactive exercise list.
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The list allows you to…
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- See the status of all exercises (done or pending)
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- `c`: Continue at another exercise (temporarily skip some exercises or go back to a previous one)
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- `r`: Reset status and file of an exercise (you need to _reload/reopen_ its file in your editor afterwards)
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See the footer of the list for all possible keys.
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## Continuing On
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<!-- TODO: Mention third-party exercises -->
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Once you've completed Rustlings, put your new knowledge to good use!
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Continue practicing your Rust skills by building your own projects, contributing to Rustlings, or finding other open-source projects to contribute to.
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## Uninstalling Rustlings
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If you want to remove Rustlings from your system, run the following command:
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```bash
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cargo uninstall rustlings
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```
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## Contributing
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See [CONTRIBUTING.md](https://github.com/rust-lang/rustlings/blob/main/CONTRIBUTING.md) 🔗
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## Contributors ✨
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Thanks to [all the wonderful contributors](https://github.com/rust-lang/rustlings/graphs/contributors) 🎉
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