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Rust Documentation Overview

Master Rust's core concepts through comprehensive guides and examples

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Memory Safety

Zero-cost abstractions without garbage collection

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Performance

Blazing fast compile times and runtime efficiency

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Concurrency

Fearless concurrency with ownership system

What You'll Learn

Core Concepts

  • • Borrowing and ownership
  • • Pattern matching
  • • Error handling
  • • Generics and traits

Practical Skills

  • • Cargo package management
  • • Async programming
  • • Web development
  • • Testing strategies

Getting Started

Set up your Rust development environment in minutes

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1. Install Rust

Download and install the official Rust toolchain

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

2. Verify Installation

Check your Rust installation

rustc --version
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IDE Setup

Configure VS Code or IntelliJ with Rust extensions

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First Project

Create your first Rust project with Cargo

Quick Start Commands

Create new project

cargo new hello-rust

Build and run

cargo run

Add dependencies

cargo add serde

Syntax

Master Rust's expressive syntax patterns

Variables

let x = 5;
let mut y = 10;

Functions

fn add(a: i32, b: i32) -> i32 {
    a + b
}
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Control Flow

if condition {
    // code
}
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Structs

struct User {
    name: String,
    age: u8
}

Enums

enum Result<T, E> {
    Ok(T),
    Err(E)
}

Pattern matching made simple

Borrowing

Master Rust's ownership system for memory safety

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Ownership Rules

  • • Each value has one owner
  • • Only one owner at a time
  • • Value dropped when owner out of scope
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Borrowing

  • • Immutable references: &T
  • • Mutable references: &mut T
  • • No data races at compile time
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Lifetimes

  • • Ensure references are valid
  • • Prevent dangling pointers
  • • Compile-time memory safety

Ownership Example

fn main() {
    let s1 = String::from("hello");
    let s2 = s1;
    // println!("{}", s1); // Error!
}

Borrowing Example

fn calculate_length(s: &String) -> usize {
    s.len()
}

fn change(s: &mut String) {
    s.push_str(", world")
}

Imports

Organize and manage your Rust modules efficiently

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Basic Imports

use std::collections::HashMap;
use std::fs::File;

Nested Imports

use std::io::{self, Read, Write};
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Module Structure

// lib.rs
pub mod network;
pub mod crypto;
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Wildcard Imports

use std::io::prelude::*;

Import Best Practices

Absolute Paths

use crate::module::Type;

Relative Paths

use self::module::Type;

Re-exporting

pub use crate::internal::PublicType;

Exposing internal APIs

Cargo

Rust's package manager and build system

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Create Project

cargo new my_project
cargo new --lib my_library

Build & Run

cargo build
cargo run
cargo build --release
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Dependencies

[dependencies]
serde = "1.0"
tokio = { version = "1.0", features = ["full"] }
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Testing

cargo test
cargo clippy
cargo fmt

Publishing

cargo login
cargo publish
cargo doc --open

Share your crates with the community

Key Cargo Commands

Package Management

  • • cargo add <crate>
  • • cargo remove <crate>
  • • cargo update
  • • cargo vendor

Development Tools

  • • cargo check - Quick compile check
  • • cargo bench - Run benchmarks
  • • cargo tree - View dependency tree
  • • cargo audit - Security audit

Crates

Essential Rust libraries for every project

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Tokio

Async runtime for writing applications

tokio = { version = "1.0", features = ["full"] }
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Serde

Serialization framework for Rust

serde = { version = "1.0", features = ["derive"] }
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Rocket

Web framework for Rust

rocket = "0.5"

Async Crates

Reqwest

HTTP client for Rust

SQLx

Async SQL query engine

Axum

Web framework built on Tower

Utility Crates

Clap

Command line argument parser

Regex

Regular expressions library

Chrono

Date and time handling

Std Lib

Explore Rust's rich standard library

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Collections

use std::collections::HashMap;
use std::collections::VecDeque;

Threading

use std::thread;
use std::sync::Arc;
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Arc & Mutex

let data = Arc::new(Mutex::new(vec![]));
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IO & Files

use std::fs::File;
use std::io::Read;

Error Handling

Result<T, E>
Option<T>
panic!()

Essential Modules

Data Structures

  • • Vec, String, HashMap
  • • BTreeMap, LinkedList
  • • BinaryHeap, VecDeque

Concurrency

  • • Arc, Rc, Mutex
  • • RwLock, Condvar
  • • mpsc channels

Advanced Topics

Master unsafe code, macros, and advanced patterns

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Unsafe Rust

unsafe {
  dereference_raw_pointer();
}
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Macros

macro_rules! hello {
  () => { println!("Hi"); };
}
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Traits

impl Iterator for MyType {
  type Item = T;
}

Advanced Patterns

Zero-Sized Types

  • • PhantomData
  • • Unit structs
  • • Marker traits

Generics

  • • Associated types
  • • Generic lifetimes
  • • Type bounds

Memory Layout

  • • Layout optimization
  • • Alignment
  • • Padding