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// 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::<dyn Foo<(isize,), Output=()>, dyn Foo(isize)>();
// In angle version, we supply something other than the default
eq::<dyn Foo<(isize,), isize, Output=()>, dyn Foo(isize)>();
//~^ ERROR E0277
// Supply default explicitly.
eq::<dyn Foo<(isize,), (isize,), Output=()>, dyn Foo(isize)>();
}
fn main() { }
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