rust/src/test/compile-fail/borrowck-unary-move.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(+x: ~int) -> int {
    let y = &*x; //~ NOTE loan of argument granted here
    free(x); //~ ERROR moving out of argument prohibited due to outstanding loan
    *y
}

fn free(+_x: ~int) {
}

fn main() {
}