src/test/compile-fail/unique-vec-res.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.

use std::cell::Cell;

#[derive(Debug)]
struct r<'a> {
  i: &'a Cell<isize>,
}

impl<'a> Drop for r<'a> {
    fn drop(&mut self) {
        unsafe {
            self.i.set(self.i.get() + 1);
        }
    }
}

fn f<T>(__isize: Vec<T> , _j: Vec<T> ) {
}

fn clone<T: Clone>(t: &T) -> T { t.clone() }

fn main() {
    let i1 = &Cell::new(0);
    let i2 = &Cell::new(1);
    // FIXME (#22405): Replace `Box::new` with `box` here when/if possible.
    let r1 = vec!(Box::new(r { i: i1 }));
    let r2 = vec!(Box::new(r { i: i2 }));
    f(clone(&r1), clone(&r2));
    //~^ ERROR the trait `core::clone::Clone` is not implemented for the type
    //~^^ ERROR the trait `core::clone::Clone` is not implemented for the type
    println!("{:?}", (r2, i1.get()));
    println!("{:?}", (r1, i2.get()));
}