(1) 认识 Rust和 Mac 安装

认识

创造出所有权与生命周期等崭新概念；
具有天然的安全性；
遵循零开销抽象（Zero- Cost Abstraction）规则，并为开发者保留了最大的底层控制能力。

安装

curl https://sh.rustup.rs -sSf | sh

提示无权限

You can uninstall at any time with rustup self uninstall and these changes will be reverted. Current installation options:  
default host triple: x86_64-apple-darwin
     default toolchain: stable (default)
               profile: default
  modify PATH variable: yes

1) Proceed with installation (default)
2) Customize installation
3) Cancel installation
>1

error: could not amend shell profile: '/Users/user/.bashrc': could not write rcfile file: '/Users/user/.bashrc': Permission denied (os error 13)

改为如下

curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | bash -s -- -y --no-modify-path

运行

1. 创建名为"main.rs" 的文件如下：<