| // Copyright 2018 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. |
| |
| trait Foo {} |
| |
| trait Bar<T> {} |
| |
| trait Iterable { |
| type Item; |
| } |
| |
| struct Container<T: Iterable<Item = impl Foo>> { |
| //~^ ERROR `impl Trait` not allowed |
| field: T |
| } |
| |
| enum Enum<T: Iterable<Item = impl Foo>> { |
| //~^ ERROR `impl Trait` not allowed |
| A(T), |
| } |
| |
| union Union<T: Iterable<Item = impl Foo> + Copy> { |
| //~^ ERROR `impl Trait` not allowed |
| x: T, |
| } |
| |
| type Type<T: Iterable<Item = impl Foo>> = T; |
| //~^ ERROR `impl Trait` not allowed |
| |
| fn main() { |
| } |