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// 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. | ||
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#![feature(nll)] | ||
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struct Foo { | ||
} | ||
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impl Foo { | ||
fn method(&mut self, foo: &mut Foo) { | ||
} | ||
} | ||
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fn main() { | ||
let mut foo = Foo { }; | ||
foo.method(&mut foo); | ||
//~^ cannot borrow `foo` as mutable more than once at a time | ||
//~^^ cannot borrow `foo` as mutable more than once at a time | ||
} |
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error[E0499]: cannot borrow `foo` as mutable more than once at a time | ||
--> $DIR/two-phase-multi-mut.rs:23:16 | ||
| | ||
LL | foo.method(&mut foo); | ||
| -----------^^^^^^^^- | ||
| | | | ||
| | second mutable borrow occurs here | ||
| first mutable borrow occurs here | ||
| borrow later used here | ||
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error[E0499]: cannot borrow `foo` as mutable more than once at a time | ||
--> $DIR/two-phase-multi-mut.rs:23:5 | ||
| | ||
LL | foo.method(&mut foo); | ||
| ^^^^^^^^^^^--------^ | ||
| | | | ||
| | first mutable borrow occurs here | ||
| second mutable borrow occurs here | ||
| borrow later used here | ||
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error: aborting due to 2 previous errors | ||
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For more information about this error, try `rustc --explain E0499`. |