#![feature(custom_attribute)] #![allow(dead_code, unused_attributes)] use std::mem::{size_of, size_of_val}; #[miri_run] fn main() { assert_eq!(size_of::>(), 8); assert_eq!(size_of_val(&()), 0); assert_eq!(size_of_val(&42), 4); assert_eq!(size_of_val(&[] as &[i32]), 0); assert_eq!(size_of_val(&[1, 2, 3] as &[i32]), 12); assert_eq!(size_of_val("foobar"), 6); }