Percabangan: if & match

pub fn main() {
    let nilai = 82
    if nilai >= 75 {
        wok("Lulus")
    } else {
        wok("Belum lulus")
    }
}

Lulus

fn grade(n: int) -> string {
    if n >= 90 { return "A" }
    else if n >= 80 { return "B" }
    else if n >= 70 { return "C" }
    else { return "D" }
}

pub fn main() {
    wok(95, "->", grade(95))
    wok(83, "->", grade(83))
    wok(60, "->", grade(60))
}

95 -> A
83 -> B
60 -> D

pub fn main() {
    let umur = 20
    let status = if umur >= 17 { "dewasa" } else { "anak" }
    wok(status)
}

dewasa

pub fn main() {
    let n = 7
    wok(n % 2 == 0 $ "genap" : "ganjil")
}

ganjil

fn namaHari(n: int) -> string {
    return match n {
        1 => "Senin",
        2 => "Selasa",
        3 => "Rabu",
        6 | 7 => "Akhir pekan",
        _ => "Hari lain"
    }
}

pub fn main() {
    wok(namaHari(1))
    wok(namaHari(6))
    wok(namaHari(4))
}

Senin
Akhir pekan
Hari lain

fn kategori(n: int) -> string {
    return match n {
        0 => "kosong",
        1..=9 => "satuan",
        10..=99 => "puluhan",
        x if x < 0 => "negatif",
        _ => "besar"
    }
}

pub fn main() {
    wok(kategori(0), kategori(5), kategori(42))
    wok(kategori(-3), kategori(1000))
}

kosong satuan puluhan
negatif besar