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1a4d82fc | 1 | // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
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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 | ||
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11 | // ignore-tidy-linelength |
12 | // revisions: ast mir | |
13 | //[mir]compile-flags: -Z borrowck=mir | |
14 | ||
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15 | #![feature(unboxed_closures)] |
16 | ||
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17 | use std::io::Read; |
18 | ||
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19 | fn to_fn_once<A,F:FnOnce<A>>(f: F) -> F { f } |
20 | ||
223e47cc | 21 | fn main() { |
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22 | let x = 1; |
23 | to_fn_once(move|| { x = 2; }); | |
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24 | //[ast]~^ ERROR: cannot assign to immutable captured outer variable |
25 | //[mir]~^^ ERROR: cannot assign to immutable item `x` | |
1a4d82fc | 26 | |
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27 | let s = std::io::stdin(); |
28 | to_fn_once(move|| { s.read_to_end(&mut Vec::new()); }); | |
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29 | //[ast]~^ ERROR: cannot borrow immutable captured outer variable |
30 | //[mir]~^^ ERROR: cannot borrow immutable item `s` as mutable | |
223e47cc | 31 | } |