33 lines
946 B
Rust
33 lines
946 B
Rust
|
// Copyright 2015 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.
|
||
|
|
|
||
|
|
// Check that projections don't count as constraining type parameters.
|
||
|
|
|
||
|
|
struct S<T>(T);
|
||
|
|
|
||
|
|
trait Tr { type Assoc; fn test(); }
|
||
|
|
|
||
|
|
impl<T: Tr> S<T::Assoc> {
|
||
|
|
//~^ ERROR the type parameter `T` is not constrained
|
||
|
|
fn foo(self, _: T) {
|
||
|
|
T::test();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
trait Trait1<T> { type Bar; }
|
||
|
|
trait Trait2<'x> { type Foo; }
|
||
|
|
|
||
|
|
impl<'a,T: Trait2<'a>> Trait1<<T as Trait2<'a>>::Foo> for T {
|
||
|
|
//~^ ERROR the lifetime parameter `'a` is not constrained
|
||
|
|
type Bar = &'a ();
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {}
|