#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::any::type_name_of_val;
fn main() {
    let s = "foo";
    let x: i32 = 1;
    let y: f32 = 1.0;
    assert!(type_name_of_val(& s).contains("str"));
    assert!(type_name_of_val(& x).contains("i32"));
    assert!(type_name_of_val(& y).contains("f32"));
}