'环境'

安装目录

all tools are installed to the ~/.cargo/bin directory
include this directory in PATH environment variable

升级

rustup update

切换nightly版本

rustup install nightly # 安装nightly版本
rustup default nightly # 切换default
rustc --version # 就能看到切换到nightly版本

futrues

• systems-level
• expression-based
• security & stability
• fast without GC
• zero-cost abstractions
• functional-language feature support
• Object Oriented Programming feature support
• higher-level features that compile to lower-level code