// Copyright 2012 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![allow(dead_assignment)] pub fn main() { let x : String = "hello".to_string(); let _y : String = "there".to_string(); let mut z = "thing".to_string(); z = x; assert_eq!(z.as_bytes()[0], ('h' as u8)); assert_eq!(z.as_bytes()[4], ('o' as u8)); }