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Advanced Memory Management in Rust: Understanding Ownership, Borrowing, and Lifetimes

fn main() {
    let s = String::from("hello");
    let len = calculate_length(&s); // borrow s immutably
    println!("The length of '{}' is {}.", s, len); // s is still valid
}

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

Immutable references (&T) allow read-only access.
Mutable references (&mut T) allow read-write access but are exclusive.
You cannot have mutable and immutable references to the same data simultaneously.

Aug 27, 2024

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Rust Programming Tutorials, Guides & Best Practices

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Advanced Memory Management in Rust: Understanding Ownership, Borrowing, and Lifetimes