//@ run-pass
#![allow(dead_code)]
#![allow(non_camel_case_types)]
#![allow(non_shorthand_field_patterns)]

#![feature(box_patterns)]

struct Foo {a: isize, b: usize}

enum bar { u(Box<Foo>), w(isize), }

pub fn main() {
    let v = match bar::u(Box::new(Foo{ a: 10, b: 40 })) {
        bar::u(box Foo{ a: a, b: b }) => { a + (b as isize) }
        _ => { 66 }
    };
    assert_eq!(v, 50);
}