| // Copyright 2018 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. |
| |
| // check that accesses due to a closure capture give a special note |
| |
| #![feature(nll)] |
| |
| fn closure_imm_capture_conflict(mut x: i32) { |
| let r = &mut x; |
| || x; //~ ERROR |
| r.use_mut(); |
| } |
| |
| fn closure_mut_capture_conflict(mut x: i32) { |
| let r = &mut x; |
| || x = 2; //~ ERROR |
| r.use_mut(); |
| } |
| |
| fn closure_unique_capture_conflict(mut x: &mut i32) { |
| let r = &mut x; |
| || *x = 2; //~ ERROR |
| r.use_mut(); |
| } |
| |
| fn closure_copy_capture_conflict(mut x: i32) { |
| let r = &mut x; |
| move || x; //~ ERROR |
| r.use_ref(); |
| } |
| |
| fn closure_move_capture_conflict(mut x: String) { |
| let r = &x; |
| || x; //~ ERROR |
| r.use_ref(); |
| } |
| |
| fn closure_imm_capture_moved(mut x: String) { |
| let r = x; |
| || x.len(); //~ ERROR |
| } |
| |
| fn closure_mut_capture_moved(mut x: String) { |
| let r = x; |
| || x = String::new(); //~ ERROR |
| } |
| |
| fn closure_unique_capture_moved(x: &mut String) { |
| let r = x; |
| || *x = String::new(); //~ ERROR |
| } |
| |
| fn closure_move_capture_moved(x: &mut String) { |
| let r = x; |
| || x; //~ ERROR |
| } |
| |
| fn main() {} |
| |
| trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { } } |
| impl<T> Fake for T { } |