// option. This file may not be copied, modified, or distributed
// except according to those terms.
-#[feature(managed_boxes)];
+
+use std::cell::Cell;
+use std::gc::GC;
enum newtype {
- newtype(int)
+ newvar(int)
}
pub fn main() {
// Test that borrowck treats enums with a single variant
// specially.
- let x = @mut 5;
- let y = @mut newtype(3);
- let z = match *y {
- newtype(b) => {
- *x += 1;
- *x * b
+ let x = box(GC) Cell::new(5);
+ let y = box(GC) Cell::new(newvar(3));
+ let z = match y.get() {
+ newvar(b) => {
+ x.set(x.get() + 1);
+ x.get() * b
}
};
assert_eq!(z, 18);