29 lines
729 B
Rust
29 lines
729 B
Rust
|
// Copyright 2016 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.
|
||
|
|
|
||
|
|
#![feature(never_type)]
|
||
|
|
#![allow(unused_variables)]
|
||
|
|
#![deny(unreachable_code)]
|
||
|
|
|
||
|
|
use std::ops;
|
||
|
|
|
||
|
|
struct Foo;
|
||
|
|
|
||
|
|
impl ops::Add<!> for Foo {
|
||
|
|
type Output = !;
|
||
|
|
fn add(self, rhs: !) -> ! {
|
||
|
|
unimplemented!()
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
let x = Foo + return;
|
||
|
|
}
|