src/test/ui/rfc1598-generic-associated-types/construct_with_other_type.rs

// Copyright 2012 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.

#![feature(generic_associated_types)]

use std::ops::Deref;

//FIXME(#44265): "lifetime parameters are not allowed on this type" errors will be addressed in a
//follow-up PR

trait Foo {
    type Bar<'a, 'b>;
}

trait Baz {
    type Quux<'a>: Foo;

    // This weird type tests that we can use universal function call syntax to access the Item on
    type Baa<'a>: Deref<Target = <Self::Quux<'a> as Foo>::Bar<'a, 'static>>;
    //~^ ERROR lifetime parameters are not allowed on this type [E0110]
    //~| ERROR lifetime parameters are not allowed on this type [E0110]
}

impl<T> Baz for T where T: Foo {
    type Quux<'a> = T;

    type Baa<'a> = &'a <T as Foo>::Bar<'a, 'static>;
    //~^ ERROR lifetime parameters are not allowed on this type [E0110]
}

fn main() {}