rust/src/test/compile-fail/region-object-lifetime-3.rs
2015-03-15 09:08:21 -07:00

29 lines
939 B
Rust

// Copyright 2012-2014 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.
// Various tests related to testing how region inference works
// with respect to the object receivers.
#![feature(rustc_attrs)]
#![allow(warnings)]
trait Foo {
fn borrowed<'a>(&'a self) -> &'a ();
}
// Borrowed receiver with two distinct lifetimes, but we know that
// 'b:'a, hence &'a () is permitted.
fn borrowed_receiver_related_lifetimes<'a,'b>(x: &'a (Foo+'b)) -> &'a () {
x.borrowed()
}
#[rustc_error]
fn main() {} //~ ERROR compilation successful