rust control flow

发表于 2019-01-05 分类于 Language 阅读次数：本文字数： 244 阅读时长 ≈ 1 分钟

if

match

#![allow(unused_variables)]
fn main() {
enum Coin {
    Penny,
    Nickel,
    Dime,
    Quarter,
}

fn value_in_cents(coin: Coin) -> u32 {
    match coin {
        Coin::Penny => 1,
        Coin::Nickel => 5,
        Coin::Dime => 10,
        Coin::Quarter => 25,
    }
}
}