rust/src/test/run-pass/generic-exterior-unique.rs

// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

struct Recbox<T> {x: ~T}

fn reclift<T: Copy>(t: T) -> Recbox<T> { return Recbox {x: ~t}; }

fn main() {
    let foo: int = 17;
    let rbfoo: Recbox<int> = reclift::<int>(foo);
    assert (*rbfoo.x == foo);
}