该篇文章记录了 Rust 相关的命令，以便不时之需。

1. rustc –version

查看 rust 的版本号

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$ rustc --version

2. rustup update

更新 rust 版本

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$ rustup update

3. rustup doc

打开本地文档

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$ rustup doc

4. 创建 Rust 项目

rust 项目的创建使用 cargo 工具生成管理的。

  • cargo new hello_rust 创建项目（可执行）
  • cargo build 编译项目
  • cargo check 检查项目
  • cargo run 运行项目
  • cargo build –release 以 Release 模式编译
  • cargo run –release 以 Release 模式运行

5. 查看命令帮助

cargo new –help，可以查看该命令相关的帮助。

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$ cargo new --help
cargo.exe-new 
Create a new cargo package at <path>

USAGE:
    cargo.exe new [OPTIONS] <path>

ARGS:
    <path>    

OPTIONS:
    -q, --quiet                  Do not print cargo log messages
        --registry <REGISTRY>    Registry to use
        --vcs <VCS>              Initialize a new repository for the given version control system
                                 (git, hg, pijul, or fossil) or do not initialize any version
                                 control at all (none), overriding a global configuration. [possible
                                 values: git, hg, pijul, fossil, none]
        --bin                    Use a binary (application) template [default]
    -v, --verbose                Use verbose output (-vv very verbose/build.rs output)
        --lib                    Use a library template
        --color <WHEN>           Coloring: auto, always, never
        --edition <YEAR>         Edition to set for the crate generated [possible values: 2015,
                                 2018, 2021]
        --frozen                 Require Cargo.lock and cache are up to date
        --name <NAME>            Set the resulting package name, defaults to the directory name
        --locked                 Require Cargo.lock is up to date
        --offline                Run without accessing the network
        --config <KEY=VALUE>     Override a configuration value (unstable)
    -Z <FLAG>                    Unstable (nightly-only) flags to Cargo, see 'cargo -Z help' for
                                 details
    -h, --help                   Print help information

Run `cargo help new` for more detailed information.