rust/src/test/run-pass/borrowed-ptr-pattern.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.

fn foo<T:Clone>(x: &T) -> T{
    match x {
        &ref a => (*a).clone()
    }
}

pub fn main() {
    assert_eq!(foo(&3), 3);
    assert_eq!(foo(&'a'), 'a');
}