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// Features to add to the dev container. More info: https://containers.dev/features.
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// "features": {},
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"postStartCommand": "cargo run",
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// Configure tool-specific properties.
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"customizations": {
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88
README.md
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README.md
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# Try Out Development Containers: Rust
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# base
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[](https://vscode.dev/redirect?url=vscode://ms-vscode-remote.remote-containers/cloneInVolume?url=https://github.com/microsoft/vscode-remote-try-rust)
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Rust 基础开发环境镜像模板项目
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A **development container** is a running container with a well-defined tool/runtime stack and its prerequisites. You can try out development containers with **[GitHub Codespaces](https://github.com/features/codespaces)** or **[Visual Studio Code Dev Containers](https://aka.ms/vscode-remote/containers)**.
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Rust 项目工程模板
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This is a sample project that lets you try out either option in a few easy steps. We have a variety of other [vscode-remote-try-*](https://github.com/search?q=org%3Amicrosoft+vscode-remote-try-&type=Repositories) sample projects, too.
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## 使用方法
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> **Note:** If you already have a Codespace or dev container, you can jump to the [Things to try](#things-to-try) section.
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```
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cargo run
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```
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## Setting up the development container
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### 版权说明
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### GitHub Codespaces
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Follow these steps to open this sample in a Codespace:
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1. Click the Code drop-down menu and select the **Open with Codespaces** option.
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1. Select **+ New codespace** at the bottom on the pane.
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Copyright @ Mengning Software
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For more info, check out the [GitHub documentation](https://docs.github.com/en/free-pro-team@latest/github/developing-online-with-codespaces/creating-a-codespace#creating-a-codespace).
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### VS Code Dev Containers
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If you already have VS Code and Docker installed, you can click the badge above or [here](https://vscode.dev/redirect?url=vscode://ms-vscode-remote.remote-containers/cloneInVolume?url=https://github.com/microsoft/vscode-remote-try-rust) to get started. Clicking these links will cause VS Code to automatically install the Dev Containers extension if needed, clone the source code into a container volume, and spin up a dev container for use.
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Follow these steps to open this sample in a container using the VS Code Dev Containers extension:
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1. If this is your first time using a development container, please ensure your system meets the pre-reqs (i.e. have Docker installed) in the [getting started steps](https://aka.ms/vscode-remote/containers/getting-started).
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2. To use this repository, you can either open the repository in an isolated Docker volume:
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- Press <kbd>F1</kbd> and select the **Dev Containers: Try a Sample...** command.
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- Choose the "Rust" sample, wait for the container to start, and try things out!
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> **Note:** Under the hood, this will use the **Dev Containers: Clone Repository in Container Volume...** command to clone the source code in a Docker volume instead of the local filesystem. [Volumes](https://docs.docker.com/storage/volumes/) are the preferred mechanism for persisting container data.
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Or open a locally cloned copy of the code:
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- Clone this repository to your local filesystem.
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- Press <kbd>F1</kbd> and select the **Dev Containers: Open Folder in Container...** command.
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- Select the cloned copy of this folder, wait for the container to start, and try things out!
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## Things to try
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Once you have this sample opened, you'll be able to work with it like you would locally.
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Some things to try:
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1. **Edit:**
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- Open `main.rs`
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- Try adding some code and check out the language features.
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- Make a spelling mistake and notice it is detected. The [Code Spell Checker](https://marketplace.visualstudio.com/items?itemName=streetsidesoftware.code-spell-checker) extension was automatically installed because it is referenced in `.devcontainer/devcontainer.json`.
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- Also notice that utilities like `rls` and the [Rust Analyzer](https://marketplace.visualstudio.com/items?itemName=rust-lang.rust-analyzer) extension are installed. Tools are installed in the `mcr.microsoft.com/devcontainers/rust` image and Dev Container settings and metadata are automatically picked up from [image labels](https://containers.dev/implementors/reference/#labels).
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1. **Terminal:** Press <kbd>ctrl</kbd>+<kbd>shift</kbd>+<kbd>\`</kbd> and type `uname` and other Linux commands from the terminal window.
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1. **Build, Run, and Debug:**
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- Open `main.rs`
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- Add a breakpoint (e.g. on line 8).
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- Press <kbd>F5</kbd> to launch the app in the container.
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- Once the breakpoint is hit, try hovering over variables, examining locals, and more.
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1. **Install the GitHub CLI using a Dev Container Feature:**
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- Press <kbd>F1</kbd> and select the **Dev Containers: Configure Container Features...** or **Codespaces: Configure Container Features...** command.
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- Type "github" in the text box at the top.
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- Check the check box next to "GitHub CLI" (published by devcontainers)
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- Click OK
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- Press <kbd>F1</kbd> and select the **Dev Containers: Rebuild Container** or **Codespaces: Rebuild Container** command so the modifications are picked up.
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## Contributing
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This project welcomes contributions and suggestions. Most contributions require you to agree to a
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Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us
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the rights to use your contribution. For details, visit https://cla.microsoft.com.
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When you submit a pull request, a CLA-bot will automatically determine whether you need to provide
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a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions
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provided by the bot. You will only need to do this once across all repos using our CLA.
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This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/).
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For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or
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contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments.
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## License
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Copyright © Microsoft Corporation All rights reserved.<br />
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Licensed under the MIT License. See LICENSE in the project root for license information.
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梦宁软件（江苏）有限公司 版权所有
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20
src/main.rs
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src/main.rs
@@ -3,7 +3,21 @@
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* Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
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*-------------------------------------------------------------------------------------------------------------*/
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fn main() {
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let name = "VS Code Remote - Containers";
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println!("Hello, {}!", name);
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fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
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use std::collections::HashMap;
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let mut map = HashMap::new();
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for (i, &num) in nums.iter().enumerate() {
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if let Some(&j) = map.get(&(target - num)) {
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return vec![j as i32, i as i32];
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}
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map.insert(num, i);
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}
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vec![]
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}
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fn main() {
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let nums = vec![2, 7, 11, 15];
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let target = 9;
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let result = two_sum(nums, target);
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println!("{:?}", result); // 输出: [0, 1]
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}
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