pub trait RemAssign<Rhs = Self> {
// Required method
fn rem_assign(&mut self, rhs: Rhs);
}Expand description
余数赋值运算符 %=。
Examples
use std::ops::RemAssign;
struct CookieJar { cookies: u32 }
impl RemAssign<u32> for CookieJar {
fn rem_assign(&mut self, piles: u32) {
self.cookies %= piles;
}
}
let mut jar = CookieJar { cookies: 31 };
let piles = 4;
println!("Splitting up {} cookies into {} even piles!", jar.cookies, piles);
jar %= piles;
println!("{} cookies remain in the cookie jar!", jar.cookies);