| // 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 interaction between unboxed closure sugar and default type |
| // parameters (should be exactly as if angle brackets were used). |
| |
| #![feature(unboxed_closures)] |
| #![allow(dead_code)] |
| |
| trait Foo<T,V=T> { |
| type Output; |
| fn dummy(&self, t: T, v: V); |
| } |
| |
| trait Eq<X: ?Sized> { fn same_types(&self, x: &X) -> bool { true } } |
| impl<X: ?Sized> Eq<X> for X { } |
| fn eq<A: ?Sized,B: ?Sized>() where A : Eq<B> { } |
| |
| fn test<'a,'b>() { |
| // Parens are equivalent to omitting default in angle. |
| eq::< Foo<(isize,),Output=()>, Foo(isize) >(); |
| |
| // In angle version, we supply something other than the default |
| eq::< Foo<(isize,),isize,Output=()>, Foo(isize) >(); |
| //~^ ERROR E0277 |
| |
| // Supply default explicitly. |
| eq::< Foo<(isize,),(isize,),Output=()>, Foo(isize) >(); |
| } |
| |
| fn main() { } |