rust/tests/ui/borrowck/borrowck-ref-mut-of-imm.rs

fn destructure(x: Option<isize>) -> isize {
    match x {
      None => 0,
      Some(ref mut v) => *v //~ ERROR cannot borrow
    }
}

fn main() {
    assert_eq!(destructure(Some(22)), 22);
}
Update compile fail tests to use isize. 2015-01-08 21:54:35 +11:00			`fn destructure(x: Option<isize>) -> isize {`
first shot at integrating ref/value bindings into borrowck (more needed) 2012-08-06 18:14:46 -07:00			`match x {`
Camel case the option type 2012-08-20 12:23:37 -07:00			`None => 0,`
new borrow checker (mass squash) 2013-03-15 15:24:24 -04:00			`Some(ref mut v) => *v //~ ERROR cannot borrow`
first shot at integrating ref/value bindings into borrowck (more needed) 2012-08-06 18:14:46 -07:00			`}`
			`}`

			`fn main() {`
Use assert_eq! rather than assert! where possible 2013-05-18 22:02:45 -04:00			`assert_eq!(destructure(Some(22)), 22);`
first shot at integrating ref/value bindings into borrowck (more needed) 2012-08-06 18:14:46 -07:00			`}`