rust/src/test/compile-fail/method-self-arg-2.rs

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2014-10-12 22:00:45 -05:00
// 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 method calls with self as an argument cannot subvert borrow checking.
struct Foo;
impl Foo {
fn bar(&self) {}
fn baz(&mut self) {}
}
fn main() {
let mut x = Foo;
let y = &mut x;
Foo::bar(&x); //~ERROR cannot borrow `x`
let x = Foo;
Foo::baz(&x); //~ERROR cannot borrow immutable dereference of `&`-pointer as mutable
}