What makes Rust so unique?

Why Rust is so Special?

Rust is a modern programming language that solves big problems developers have faced for years. It’s safe, fast, and reliable, making it a great choice for all kinds of software, from web apps to system tools.

Here's what makes Rust stand out:

1. No Crashes from Memory Mistakes

Rust helps you avoid common bugs like crashes and memory leaks. Instead of making you manually manage memory (like C) or slowing things down with garbage collection (like Java or Go), Rust uses Ownership Rules to manage memory automatically.

How Ownership Works:

• Each piece of data has one owner.

• When the owner is done, Rust cleans up the data.

• No two parts of your code can change the same data at the same time.

Example:

fn main() {
    let name = String::from("Rust"); // `name` owns the String
    let greeting = name; // Ownership moves to `greeting`

    // println!("{}", name); // ❌ Error: `name` no longer owns the value
    println!("{}", greeting); // ✅ Works: `greeting` is the new owner
}

If you want to share ownership, use borrowing with references:

fn main() {
    let name = String::from("Rust"); // `name` owns the String
    print_name(&name); // Borrowing the value

    println!("Still can use: {}", name); // ✅ Works: `name` is not moved
}

fn print_name(name: &String) {
    println!("Hello, {}", name); // ✅ Access borrowed value
}

2. Safe Multithreading

Rust makes it easy to write code that uses multiple threads without crashing. Its rules ensure threads don’t mess up each other’s data.

Example:

use std::thread;

fn main() {
    let numbers = vec![1, 2, 3];

    let handle = thread::spawn(move || { // `move` transfers ownership to the thread
        println!("Numbers: {:?}", numbers); // Thread-safe access
    });

    handle.join().unwrap(); // Wait for the thread to finish
}

3. Fast and Efficient

Rust is as fast as C and C++ but much safer. Its smart design makes sure your programs run quickly without unexpected slowdowns.

Example:

fn main() {
    let numbers = vec![1, 2, 3];

    // Double each number using an iterator
    let doubled: Vec<_> = numbers.iter().map(|x| x * 2).collect();

    println!("Doubled: {:?}", doubled); // Prints [2, 4, 6]
}

4. No "Null" Problems

Rust doesn’t have null values like other languages. Instead, it uses Option to check if something exists or not. This avoids crashes caused by "null pointer" bugs.

Example:

fn main() {
    let numbers = vec![1, 2, 3];
    let result = find_number(&numbers, 2); // Try to find the number 2

    match result {
        Some(num) => println!("Found: {}", num), // ✅ Found the number
        None => println!("Not found"),          // ❌ Number not in the list
    }
}

fn find_number(numbers: &Vec<i32>, target: i32) -> Option<i32> {
    numbers.iter().find(|&&x| x == target).copied() // Returns `Some(number)` or `None`
}

5. Amazing Tools

Rust comes with tools that make your life easier:

• Cargo: Builds and manages your project.

• Clippy: Helps you write better code.

• Rustfmt: Makes your code look neat and consistent.

Rust is fast, safe, and helps you write bug-free code. Whether you’re building a game, web app, or a low-level system, Rust is designed to make your work easier and more reliable.

What’s next?

If you want to learn more about Rust then I have a YouTube playlist where I have uploaded many videos that will cover all the Rust features in a simple way to understand.

Please make sure to subscribe to this newsletter & my YouTube channel and I will be sharing new posts every week.

Thank you, for giving your time.