| // 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. |
| |
| // Test that the unboxed closure sugar can be used with an arbitrary |
| // struct type and that it is equivalent to the same syntax using |
| // angle brackets. This test covers only simple types and in |
| // particular doesn't test bound regions. |
| |
| #![feature(unboxed_closures)] |
| #![allow(dead_code)] |
| |
| use std::marker; |
| |
| trait Foo<T> { |
| type Output; |
| fn dummy(&self, t: T); |
| } |
| |
| trait Eq<X: ?Sized> { } |
| impl<X: ?Sized> Eq<X> for X { } |
| fn eq<A: ?Sized,B: ?Sized +Eq<A>>() { } |
| |
| fn main() { |
| eq::< for<'a> Foo<(&'a isize,), Output=&'a isize>, |
| Foo(&isize) -> &isize >(); |
| eq::< for<'a> Foo<(&'a isize,), Output=(&'a isize, &'a isize)>, |
| Foo(&isize) -> (&isize, &isize) >(); |
| |
| let _: Foo(&isize, &usize) -> &usize; //~ ERROR missing lifetime specifier |
| } |