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# 安装rustup, rustc, cargo
curl https://sh.rustup.rs -sSf | sh
# 安装源码, rls
rustup component add rust-src rls
# 启用国内rustup 清华镜像(bash)
echo 'export RUSTUP_DIST_SERVER=https://mirrors.tuna.tsinghua.edu.cn/rustup' >> ~/.bash_profile
# 启用国内rustup 清华镜像(fish)
echo 'set -x RUSTUP_DIST_SERVER https://mirrors.tuna.tsinghua.edu.cn/rustup' >> ~/.config/fish/config.fish
# 切换nightly版
rustup override set nightly
# 切换stable版
rustup override set stable

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# ~/.cargo/config
[registry]
index = "https://mirrors.ustc.edu.cn/crates.io-index/"
[source.crates-io]
registry = "https://github.com/rust-lang/crates.io-index"
replace-with = 'ustc'
[source.ustc]
registry = "https://mirrors.ustc.edu.cn/crates.io-index/"

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## 查看已安装的rust 工具链
$ rustup show

$ rustup default stable-

## 升级rustup
$ rustup update
## 显示rustup组件列表
$ rustup component list
## 安装cargo组件
$ rustup componenet add cargo