hello world

1. 安装环境

linux / wsl curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

gcc sudo apt install build-essential

替换源 :

1. cd ~/.cargo
2. code config #这里使用vscode创建文件并编辑

# 放到 `$HOME/.cargo/config` 文件中
[source.crates-io]
registry = "https://github.com/rust-lang/crates.io-index"

# 替换成你偏好的镜像源
replace-with = 'sjtu'
#replace-with = 'ustc'

# 清华大学
[source.tuna]
registry = "https://mirrors.tuna.tsinghua.edu.cn/git/crates.io-index.git"

# 中国科学技术大学
[source.ustc]
registry = "git://mirrors.ustc.edu.cn/crates.io-index"

# 上海交通大学
[source.sjtu]
registry = "https://mirrors.sjtug.sjtu.edu.cn/git/crates.io-index"

# rustcc社区
[source.rustcc]
registry = "git://crates.rustcc.cn/crates.io-index" 

2.创建项目并运行

cargo new hello-world
cd hello-world
cargo run