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1a4d82fc | 1 | // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
223e47cc LB |
2 | // file at the top-level directory of this distribution and at |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
85aaf69f | 11 | fn call_it<F>(f: F) where F: Fn() { f(); } |
223e47cc | 12 | |
85aaf69f | 13 | struct A; |
223e47cc | 14 | |
85aaf69f SL |
15 | impl A { |
16 | fn gen(&self) {} | |
17 | fn gen_mut(&mut self) {} | |
18 | } | |
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19 | |
20 | fn main() { | |
85aaf69f SL |
21 | let mut x = A; |
22 | call_it(|| { //~ HELP consider changing this to accept closures that implement `FnMut` | |
23 | call_it(|| x.gen()); | |
24 | call_it(|| x.gen_mut()); //~ ERROR cannot borrow data mutably in a captured outer | |
25 | //~^ ERROR cannot borrow data mutably in a captured outer | |
54a0048b SL |
26 | //~^^ HELP run `rustc --explain E0387` to see a detailed explanation |
27 | //~^^^ HELP run `rustc --explain E0387` to see a detailed explanation | |
28 | //~^^^^ HELP consider changing this closure to take self by mutable reference | |
85aaf69f | 29 | }); |
223e47cc | 30 | } |