// 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 or the MIT license // , 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 borrowed content as mutable }