| // Copyright 2012-2014 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. |
| |
| |
| use std::cell::RefCell; |
| |
| pub fn main() { |
| let name = RefCell::new("rust"); |
| let what = RefCell::new("rocks"); |
| let msg = format!("{name} {}", &*what.borrow(), name=&*name.borrow()); |
| assert_eq!(msg, "rust rocks".to_string()); |
| } |
