872ce47955
here. Some of this may have been poorly rebased, though I tried to be careful and preserve the spirit of the test.
39 lines
1.3 KiB
Rust
39 lines
1.3 KiB
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.
|
|
|
|
// 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 not implemented
|
|
|
|
// Supply default explicitly.
|
|
eq::< Foo<(isize,),(isize,),Output=()>, Foo(isize) >();
|
|
}
|
|
|
|
fn main() { }
|