| // Copyright 2017 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. |
| |
| //compile-flags: -Z emit-end-regions -Zborrowck=mir |
| |
| #![allow(warnings)] |
| |
| struct Wrap<'p> { p: &'p mut i32 } |
| |
| impl<'p> Drop for Wrap<'p> { |
| fn drop(&mut self) { |
| *self.p += 1; |
| } |
| } |
| |
| struct Foo<'p> { a: String, b: Wrap<'p> } |
| |
| fn main() { |
| let mut x = 0; |
| let wrap = Wrap { p: &mut x }; |
| let s = String::from("str"); |
| let foo = Foo { a: s, b: wrap }; |
| std::mem::drop(foo.a); |
| x = 1; //~ ERROR cannot assign to `x` because it is borrowed [E0506] |
| } |
