if expressions

if๋ฌธ์€ ๋‹ค๋ฅธ ์–ธ์–ด์™€ ๋™์ผํ•˜๊ฒŒ ์‚ฌ์šฉํ• ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค(์กฐ๊ฑด์˜ ()๋Š” ์—†์Šต๋‹ˆ๋‹ค):

You use if very similarly to how you would in other languages:

fn main() {
    let mut x = 10;
    if x % 2 == 0 {
        x = x / 2;
    } else {
        x = 3 * x + 1;
    }
}

๊ฒŒ๋‹ค๊ฐ€ if๋Š” ํ‘œํ˜„์‹(ํ• ๋‹น๊ฐ€๋Šฅ)์œผ๋กœ ์‚ฌ์šฉ ๋ ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค. ์•„๋ž˜ ์ฝ”๋“œ๋Š” ์œ„์™€ ๋™์ผํ•œ ๊ฒฐ๊ณผ ์ž…๋‹ˆ๋‹ค.

In addition, you can use it as an expression. This does the same as above:

fn main() {
    let mut x = 10;
    x = if x % 2 == 0 {
        x / 2
    } else {
        3 * x + 1
    };
}