| // 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 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| |
| |
| pub fn main() { |
| let mut s = ~"a"; |
| s.push_char('b'); |
| assert_eq!(s[0], 'a' as u8); |
| assert_eq!(s[1], 'b' as u8); |
| s.push_char('c'); |
| s.push_char('d'); |
| assert_eq!(s[0], 'a' as u8); |
| assert_eq!(s[1], 'b' as u8); |
| assert_eq!(s[2], 'c' as u8); |
| assert_eq!(s[3], 'd' as u8); |
| } |
