rust/src/test/compile-fail/auxiliary/crate_a1.rs

// Copyright 2015 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.

pub struct Foo;

pub trait Bar{}

pub fn bar() -> Box<Bar> {
    unimplemented!()
}


pub fn try_foo(x: Foo){}
pub fn try_bar(x: Box<Bar>){}