rust/src/test/compile-fail/object-safety-sized.rs
Niko Matsakis dbf994bbaf Make RFC 1214 warnings into errors, and rip out the "warn or err"
associated machinery. Future such attempts should go through lints
anyhow.

There is a fair amount of fallout in the compile-fail tests, as WF
checking now occurs earlier in the process.
2015-12-18 12:41:02 -05:00

26 lines
770 B
Rust

// Copyright 2014 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.
// Check that we correctly prevent users from making trait objects
// from traits where `Self : Sized`.
trait Bar : Sized {
fn bar<T>(&self, t: T);
}
fn make_bar<T:Bar>(t: &T) -> &Bar {
//~^ ERROR E0038
//~| NOTE the trait cannot require that `Self : Sized`
t
}
fn main() {
}