| // Copyright 2014-2015 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 Test { |
| a: isize, |
| b: Option<Box<Test>>, |
| } |
| |
| impl Drop for Test { |
| fn drop(&mut self) { |
| println!("Dropping {}", self.a); |
| } |
| } |
| |
| fn stuff() { |
| let mut t = Test { a: 1, b: None}; |
| let mut u = Test { a: 2, b: Some(Box::new(t))}; |
| t.b = Some(Box::new(u)); |
| //~^ ERROR partial reinitialization of uninitialized structure `t` |
| println!("done"); |
| } |
| |
| fn main() { |
| stuff(); |
| println!("Hello, world!") |
| } |