🦀 Rust Full Course

A comprehensive guide to learning Rust programming language.

📚 Table of Contents

Project Structure
Cargo Basics
Project Conventions
Commands Reference
Type and Size of Variables

🏗️ Project Structure

Cargo Project Names

Must be written in snake_case format
Example: my_rust_project

Rust Projects

Projects in Rust are also known as packages or crates
Two main types of crates:
- 📦 Binary Crate: Standalone application meant to be executed
- 📚 Library Crate: Code intended to be used by other projects

Target Directory

Located in ./target/
Contains compiled artifacts:
- Executable files
- Debug symbols
- Intermediate compilation files
The final executable program is stored here after compilation

📄 Project Configuration

Cargo.toml

Main configuration file for Rust projects
Contains:
- Project metadata
- Dependencies
- Build settings
- Package information

🛠️ Commands Reference

Essential Cargo Commands

cargo new <project_name> - Create a new Binary crate or Rust project
cargo build - Compile the project in debug mode (larger file size, includes debug info, faster compilation)
cargo build --release - Compile the project in release mode (smaller file size, optimized performance, longer compilation time)
Note: Always start with cargo build for debugging and development, then use cargo build --release for final production builds
cargo run - Compile and run the project in one command (no need to run cargo build first)
cargo check - Quickly verify if your code has any compilation errors (syntax errors, type mismatches, missing dependencies, etc.) without creating an executable file (faster than cargo build)
cargo test - Run project tests

📝 Type and Size of Variables

Rust requires the type and size of a variable to be known at compile time
This is important for memory safety and preventing runtime errors
Rust is a statically typed language, which means it checks the types of variables at compile time
By knowing the type and size of a variable at compile time, Rust can allocate the necessary memory and prevent common errors like buffer overflows

📝 Notes

Keep your code organized and follow Rust's conventions
Use cargo doc --open to generate and view documentation
Check rust-lang.org for official documentation

Happy Coding with Rust! 🦀