| // Copyright 2013 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. |
| |
| struct Wrapper(String); |
| |
| impl Wrapper { |
| pub fn new(wrapped: String) -> Wrapper { |
| Wrapper(wrapped) |
| } |
| |
| pub fn say_hi(&self) { |
| let Wrapper(ref s) = *self; |
| println!("hello {}", *s); |
| } |
| } |
| |
| impl Drop for Wrapper { |
| fn drop(&mut self) {} |
| } |
| |
| pub fn main() { |
| { |
| // This runs without complaint. |
| let x = Wrapper::new("Bob".to_string()); |
| x.say_hi(); |
| } |
| { |
| // This fails to compile, circa 0.8-89-gc635fba. |
| // error: internal compiler error: drop_ty_immediate: non-box ty |
| Wrapper::new("Bob".to_string()).say_hi(); |
| } |
| } |