rust/src/test/ui/run-pass/nll/issue-47589.rs

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// 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.
#![feature(nll)]
pub struct DescriptorSet<'a> {
pub slots: Vec<AttachInfo<'a, Resources>>
}
pub trait ResourcesTrait<'r>: Sized {
type DescriptorSet: 'r;
}
pub struct Resources;
impl<'a> ResourcesTrait<'a> for Resources {
type DescriptorSet = DescriptorSet<'a>;
}
pub enum AttachInfo<'a, R: ResourcesTrait<'a>> {
NextDescriptorSet(Box<R::DescriptorSet>)
}
fn main() {
let _x = DescriptorSet {slots: Vec::new()};
}