Rust Ownership Explained - Move, Clone, Borrow & References | Memory Safety Tutorial

Master Rust's ownership system! Learn how Rust achieves memory safety without garbage collection through ownership rules, move semantics, and borrowing.

📚 What You'll Learn:
• The two ownership rules in Rust
• Move semantics - when values transfer ownership
• Clone - explicitly copying heap data
• Copy - automatic copying for stack types
• References and borrowing
• Mutable references

💻 Code Examples:

1. Move Semantics:
let s1 = String::from("hello");
let s2 = s1;
println!("s2 = {}", s2);

2. Clone for Deep Copy:
let s1 = String::from("hello");
let s2 = s1.clone();
println!("s1 = {}", s1);
println!("s2 = {}", s2);

3. References (Borrowing):
fn calculate_length(s: ref String) {
s.len()
}

🔑 Key Concepts:
• Each value has exactly one owner
• When owner goes out of scope, value is dropped
• Move transfers ownership for heap data
• Clone creates independent copies
• Copy is automatic for stack types like integers
• ref borrows without taking ownership
• ref mut allows mutable borrowing

Created by Celeste ✨

#Rust #RustLang #Programming #Ownership #MemorySafety #Tutorial #Borrowing #Beginner

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