rust_gcd.rs

pub fn gcd(numbers: Vec<i32>) -> i32 {
    let mut lcd = *numbers.iter().max().unwrap();

    for i in 0..(numbers.len()) {
        let mut x: i32 = lcd;
        let mut y: i32 = numbers[i];

        lcd = {
            while y != 0 {
                let temp = x % y;
                x = y;
                y = temp;
            }

            x
        }
    }

    lcd
}