| // Copyright 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. |
| |
| // Test that even unboxed closures that are capable of mutating their |
| // environment cannot mutate captured variables that have not been |
| // declared mutable (#18335) |
| |
| fn set(x: &mut usize) { *x = 0; } |
| |
| fn main() { |
| let x = 0; |
| move || x = 1; //~ ERROR cannot assign |
| move || set(&mut x); //~ ERROR cannot borrow |
| move || x = 1; //~ ERROR cannot assign |
| move || set(&mut x); //~ ERROR cannot borrow |
| || x = 1; //~ ERROR cannot assign |
| // FIXME: this should be `cannot borrow` (issue #18330) |
| || set(&mut x); //~ ERROR cannot assign |
| || x = 1; //~ ERROR cannot assign |
| // FIXME: this should be `cannot borrow` (issue #18330) |
| || set(&mut x); //~ ERROR cannot assign |
| } |
