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#![feature(box_patterns)]
struct S {
x: Box<E>
}
enum E {
Foo(Box<S>),
Bar(Box<isize>),
Baz
}
fn f<G>(s: &S, g: G) where G: FnOnce(&S) {
g(s)
}
fn main() {
let s = S { x: Box::new(E::Bar(Box::new(42))) };
loop {
f(&s, |hellothere| {
match hellothere.x { //~ ERROR cannot move out
box E::Foo(_) => {}
box E::Bar(x) => println!("{}", x.to_string()),
box E::Baz => {}
}
})
}
}
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