| // Test that a borrow which starts as a 2-phase borrow and gets | |
| // carried around a loop winds up conflicting with itself. | |
| struct Foo { x: String } | |
| impl Foo { | |
| fn get_string(&mut self) -> &str { | |
| &self.x | |
| } | |
| } | |
| fn main() { | |
| let mut foo = Foo { x: format!("Hello, world") }; | |
| let mut strings = vec![]; | |
| loop { | |
| strings.push(foo.get_string()); //~ ERROR cannot borrow `foo` as mutable | |
| if strings.len() > 2 { break; } | |
| } | |
| println!("{:?}", strings); | |
| } |