Привет, мир! Пример:

fn main() {
println!("Hello, World!");
}

Переменные и типы данных:

fn main() {
let name = "John";
let age: u32 = 30;
let is_new: bool = true;
let rating: f64 = 4.5;
println!("Name: {}, Age: {}, New: {}, Rating: {}", name, age, is_new, rating);
}

Функции:

fn add_numbers(a: i32, b: i32) -> i32 {
return a + b;
}
fn main() {
let result = add_numbers(5, 10);
println!("Result: {}", result);
}

Петли:

fn main() {
let mut count = 0;
while count < 5 {
    println!("Count: {}", count);
    count += 1;
}
}

Условные операторы:

fn main() {
let number = 10;
if number > 5 {
    println!("Number is greater than 5");
} else if number < 5 {
    println!("Number is less than 5");
} else {
    println!("Number is equal to 5");
}
}

Обработка ошибок с результатом:

fn divide(a: f64, b: f64) -> Result<f64, String> {
if b == 0.0 {
    return Err(String::from("Cannot divide by zero"));
}
Ok(a / b)
}
fn main() {
let result = divide(10.0, 2.0);
match result {
    Ok(value) => println!("Result: {}", value),
    Err(error) => println!("Error: {}", error),
}
}