/src/test/run-pass/generic-box.rs

1
2
3fn box<T: copy>(x: {x: T, y: T, z: T}) -> @{x: T, y: T, z: T} { return @x; }
4
5fn main() {
6    let x: @{x: int, y: int, z: int} = box::<int>({x: 1, y: 2, z: 3});
7    assert (x.y == 2);
8}