rust/src/test/compile-fail/cast-to-unsized-trait-object-suggestion.rs
Niko Matsakis 09bf2fef22 Fallout in tests -- we now report an error if you even reference a type
`&Foo` where `Foo` is a trait that is not object-safe
2015-08-12 17:58:56 -04:00

21 lines
769 B
Rust

// 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.
fn main() {
&1 as Send;
//~^ ERROR cast to unsized type
//~| HELP try casting to a reference instead:
//~| SUGGESTION &1 as &Send;
Box::new(1) as Send;
//~^ ERROR cast to unsized type
//~| HELP try casting to a `Box` instead:
//~| SUGGESTION Box::new(1) as Box<Send>;
}