#![allow(dead_code, deprecated, unused_variables, unused_mut)] #![feature(wrapping_int_impl)] use std::num::Wrapping; fn main() { let n: Wrapping = Wrapping(0x0123456789ABCDEF); let m: Wrapping = Wrapping(-0x76543210FEDCBA99); assert_eq!(n.rotate_left(32), m); }