Rust

Integer Size Signed Unsigned 8 bit i8 u8 16 bit i16 u16 32 bit i32 u32 64 bit i64 u64 128 bit i128 u

Variables Rust is a strongly typed language Variable type is optional if it can be inferred Type can

Language basics Variables Scalar data types Strings Constants Operators Functions

Print to the console directly Formatting Expressions Positional arguments Named arguments Printing t

Line comments Multi-line comments are allowed but rarely used Doc comments Markdown comments: Headin

Here's an example to show how to input. use std::io;

Cargo Cargo is the package manager for Rust. cargo new cargo build cargo run cargo clean cargo check

Using rustup It looks like you’re running macOS, Linux, or another Unix-like OS. To download Rustup

Project basics Install Rust and set up a Hello World project Cargo package manager User input Commen

Selling points Systems programming Memory safety without garbage collection Performance Strongly typ

Rust 安全性 Rust 的思想和优点 思想：明确/（零成本）抽象/赋能 优点：兼具高性能/安全性/表达力